From 1ac7881ca8dc878b73459dcb659da3379e60fa9f Mon Sep 17 00:00:00 2001
From: "ci.datadog-api-spec" <packages@datadoghq.com>
Date: Thu, 21 Nov 2024 20:24:11 +0000
Subject: [PATCH] Regenerate client from commit ad36259c of spec repo

---
 .apigentools-info                             |   8 +-
 .generator/schemas/v2/openapi.yaml            | 316 ++++++++++++++++++
 examples/v2/events/CreateEvent.rb             |  44 +++
 features/scenarios_model_mapping.rb           |   3 +
 features/v2/events.feature                    |  36 +-
 features/v2/undo.json                         |   6 +
 lib/datadog_api_client/inflector.rb           |  18 +
 lib/datadog_api_client/v2/api/events_api.rb   |  67 ++++
 .../models/change_event_custom_attributes.rb  | 176 ++++++++++
 .../change_event_custom_attributes_author.rb  | 148 ++++++++
 ...nge_event_custom_attributes_author_type.rb |  27 ++
 ...vent_custom_attributes_changed_resource.rb | 144 ++++++++
 ...custom_attributes_changed_resource_type.rb |  26 ++
 ...tom_attributes_impacted_resources_items.rb | 144 ++++++++
 ...ttributes_impacted_resources_items_type.rb |  26 ++
 .../v2/models/event_category.rb               |  26 ++
 .../v2/models/event_create_request.rb         | 115 +++++++
 .../v2/models/event_create_request_payload.rb | 105 ++++++
 .../v2/models/event_create_request_type.rb    |  26 ++
 .../v2/models/event_create_response.rb        | 115 +++++++
 .../event_create_response_attributes.rb       | 105 ++++++
 ...t_create_response_attributes_attributes.rb | 105 ++++++
 ...eate_response_attributes_attributes_evt.rb | 105 ++++++
 .../models/event_create_response_payload.rb   | 105 ++++++
 .../v2/models/event_payload.rb                | 236 +++++++++++++
 .../v2/models/event_payload_attributes.rb     |  62 ++++
 26 files changed, 2282 insertions(+), 12 deletions(-)
 create mode 100644 examples/v2/events/CreateEvent.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_author.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_author_type.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource_type.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items.rb
 create mode 100644 lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items_type.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_category.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_request.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_request_payload.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_request_type.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_response.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_response_attributes.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_response_attributes_attributes.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_response_attributes_attributes_evt.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_create_response_payload.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_payload.rb
 create mode 100644 lib/datadog_api_client/v2/models/event_payload_attributes.rb

diff --git a/.apigentools-info b/.apigentools-info
index 53d724952aac..cf342edd065f 100644
--- a/.apigentools-info
+++ b/.apigentools-info
@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-11-20 21:48:38.093015",
-            "spec_repo_commit": "34905ccb"
+            "regenerated": "2024-11-21 20:23:36.620867",
+            "spec_repo_commit": "ad36259c"
         },
         "v2": {
             "apigentools_version": "1.6.6",
-            "regenerated": "2024-11-20 21:48:38.111701",
-            "spec_repo_commit": "34905ccb"
+            "regenerated": "2024-11-21 20:23:36.640802",
+            "spec_repo_commit": "ad36259c"
         }
     }
 }
\ No newline at end of file
diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index 91a7d81a167e..33e7c854dd4a 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -4556,6 +4556,127 @@ components:
           format: int64
           type: integer
       type: object
+    ChangeEventCustomAttributes:
+      description: Object representing custom change event attributes.
+      properties:
+        author:
+          $ref: '#/components/schemas/ChangeEventCustomAttributesAuthor'
+        change_metadata:
+          additionalProperties: {}
+          description: Free form object with information related to the `change` event.
+            Can be arbitrarily nested and contain any valid JSON.
+          example:
+            dd:
+              team: datadog_team
+              user_email: datadog@datadog.com
+              user_id: datadog_user_id
+              user_name: datadog_username
+            resource_link: datadog.com/feature/fallback_payments_test
+          type: object
+        changed_resource:
+          $ref: '#/components/schemas/ChangeEventCustomAttributesChangedResource'
+        impacted_resources:
+          description: 'A list of resources impacted by this change. It is recommended
+            to provide an impacted resource to display
+
+            the change event at the right location. Only resources of type `service`
+            are supported.'
+          example:
+          - name: payments_api
+            type: service
+          items:
+            $ref: '#/components/schemas/ChangeEventCustomAttributesImpactedResourcesItems'
+          type: array
+        new_value:
+          additionalProperties: {}
+          description: Free form object to track new value of the changed resource.
+          example:
+            enabled: true
+            percentage: 50%
+            rule:
+              datacenter: devcycle.us1.prod
+          type: object
+        prev_value:
+          additionalProperties: {}
+          description: Free form object to track previous value of the changed resource.
+          example:
+            enabled: true
+            percentage: 10%
+            rule:
+              datacenter: devcycle.us1.prod
+          type: object
+      required:
+      - changed_resource
+      type: object
+    ChangeEventCustomAttributesAuthor:
+      description: Object representing the entity which made the change. Optional
+        field but if provided should include `type` and `name`.
+      properties:
+        name:
+          description: Author's name. Limited to 128 characters.
+          example: datadog@datadog.com
+          maxLength: 128
+          type: string
+        type:
+          $ref: '#/components/schemas/ChangeEventCustomAttributesAuthorType'
+      required:
+      - name
+      - type
+      type: object
+    ChangeEventCustomAttributesAuthorType:
+      description: Author's type.
+      enum:
+      - user
+      - system
+      example: user
+      type: string
+      x-enum-varnames:
+      - USER
+      - SYSTEM
+    ChangeEventCustomAttributesChangedResource:
+      description: Object representing a uniquely identified resource. Only the resource
+        type `feature_flag` is supported.
+      properties:
+        name:
+          description: Resource's name.
+          example: fallback_payments_test
+          type: string
+        type:
+          $ref: '#/components/schemas/ChangeEventCustomAttributesChangedResourceType'
+      required:
+      - type
+      - name
+      type: object
+    ChangeEventCustomAttributesChangedResourceType:
+      description: Resource's type.
+      enum:
+      - feature_flag
+      example: feature_flag
+      type: string
+      x-enum-varnames:
+      - FEATURE_FLAG
+    ChangeEventCustomAttributesImpactedResourcesItems:
+      description: Object representing a uniquely identified resource. Only the resource
+        type `service` is supported.
+      properties:
+        name:
+          description: Resource's name.
+          example: payments_api
+          type: string
+        type:
+          $ref: '#/components/schemas/ChangeEventCustomAttributesImpactedResourcesItemsType'
+      required:
+      - type
+      - name
+      type: object
+    ChangeEventCustomAttributesImpactedResourcesItemsType:
+      description: Resource's type.
+      enum:
+      - service
+      example: service
+      type: string
+      x-enum-varnames:
+      - SERVICE
     ChargebackBreakdown:
       description: Charges breakdown.
       properties:
@@ -9335,6 +9456,125 @@ components:
           example: Oh boy!
           type: string
       type: object
+    EventCategory:
+      description: Event category to identify the type of event. Only the value `change`
+        is supported. Support for other categories are coming. please reach out to
+        datadog support if you're interested.
+      enum:
+      - change
+      example: change
+      type: string
+      x-enum-varnames:
+      - CHANGE
+    EventCreateRequest:
+      description: Object representing an event creation request.
+      properties:
+        attributes:
+          $ref: '#/components/schemas/EventPayload'
+        type:
+          $ref: '#/components/schemas/EventCreateRequestType'
+      type: object
+    EventCreateRequestPayload:
+      description: Payload for creating an event.
+      properties:
+        data:
+          $ref: '#/components/schemas/EventCreateRequest'
+      type: object
+    EventCreateRequestType:
+      description: Entity type.
+      enum:
+      - event
+      example: event
+      type: string
+      x-enum-varnames:
+      - EVENT
+    EventCreateResponse:
+      description: Object containing an event response.
+      properties:
+        attributes:
+          $ref: '#/components/schemas/EventCreateResponseAttributes'
+        type:
+          description: Event type
+          example: event
+          type: string
+      type: object
+    EventCreateResponseAttributes:
+      description: JSON object containing all events attributes and their associated
+        values.
+      properties:
+        attributes:
+          $ref: '#/components/schemas/EventCreateResponseAttributesAttributes'
+      type: object
+    EventCreateResponseAttributesAttributes:
+      description: JSON object of attributes from your events.
+      properties:
+        evt:
+          $ref: '#/components/schemas/EventCreateResponseAttributesAttributesEvt'
+      type: object
+    EventCreateResponseAttributesAttributesEvt:
+      description: JSON object of event system attributes.
+      properties:
+        id:
+          description: Event id
+          type: string
+      type: object
+    EventCreateResponsePayload:
+      description: Response containing information about created event.
+      properties:
+        data:
+          $ref: '#/components/schemas/EventCreateResponse'
+      type: object
+    EventPayload:
+      description: Event attributes.
+      properties:
+        aggregation_key:
+          description: An arbitrary string to use for aggregation when correlating
+            events. Limited to 100 characters.
+          maxLength: 100
+          type: string
+        attributes:
+          $ref: '#/components/schemas/EventPayloadAttributes'
+        category:
+          $ref: '#/components/schemas/EventCategory'
+        message:
+          description: The body of the event. Limited to 4000 characters.
+          example: payment_processed feature flag has been enabled
+          maxLength: 4000
+          type: string
+        tags:
+          description: 'A list of tags to apply to the event.
+
+            Refer to [Tags docs](https://docs.datadoghq.com/getting_started/tagging/).'
+          example:
+          - environment:test
+          items:
+            description: A tag.
+            type: string
+          type: array
+        timestamp:
+          description: 'Timestamp when the event occurred. Must follow [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html)
+            format.
+
+            For example `"2017-01-15T01:30:15.010000Z"`.
+
+            Defaults to the timestamp of receipt. Limited to values no older than
+            18 hours.'
+          type: string
+        title:
+          description: The event title. Limited to 500 characters.
+          example: payment_processed feature flag updated
+          maxLength: 500
+          type: string
+      required:
+      - title
+      - category
+      - attributes
+      type: object
+    EventPayloadAttributes:
+      description: JSON object for custom attributes. Schema are different per each
+        event category.
+      oneOf:
+      - $ref: '#/components/schemas/ChangeEventCustomAttributes'
     EventPriority:
       description: The priority of the event's monitor. For example, `normal` or `low`.
       enum:
@@ -31196,6 +31436,82 @@ paths:
         operator: OR
         permissions:
         - events_read
+    post:
+      description: This endpoint allows you to post events. Only events with `change`
+        category are under General Availability.
+      operationId: CreateEvent
+      requestBody:
+        content:
+          application/json:
+            examples:
+              json-request-body:
+                value:
+                  data:
+                    attributes:
+                      attributes:
+                        author:
+                          name: datadog@datadog.com
+                          type: user
+                        change_metadata:
+                          dd:
+                            team: datadog_team
+                            user_email: datadog@datadog.com
+                            user_id: datadog_user_id
+                            user_name: datadog_username
+                          resource_link: datadog.com/feature/fallback_payments_test
+                        changed_resource:
+                          name: fallback_payments_test
+                          type: feature_flag
+                        impacted_resources:
+                        - name: payments_api
+                          type: service
+                        new_value:
+                          enabled: true
+                          percentage: 50%
+                          rule:
+                            datacenter: devcycle.us1.prod
+                        prev_value:
+                          enabled: true
+                          percentage: 10%
+                          rule:
+                            datacenter: devcycle.us1.prod
+                      category: change
+                      message: payment_processed feature flag has been enabled
+                      tags:
+                      - environment:test
+                      title: payment_processed feature flag updated
+                    type: event
+            schema:
+              $ref: '#/components/schemas/EventCreateRequestPayload'
+        description: Event request object
+        required: true
+      responses:
+        '200':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/EventCreateResponsePayload'
+          description: OK
+        '400':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
+          description: Bad request
+        '403':
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/JSONAPIErrorResponse'
+          description: Forbidden
+        '429':
+          $ref: '#/components/responses/TooManyRequestsResponse'
+      security:
+      - apiKeyAuth: []
+      summary: Post an event
+      tags:
+      - Events
+      x-codegen-request-body-name: body
   /api/v2/events/search:
     post:
       description: 'List endpoint returns events that match an events search query.
diff --git a/examples/v2/events/CreateEvent.rb b/examples/v2/events/CreateEvent.rb
new file mode 100644
index 000000000000..a3258869ca3b
--- /dev/null
+++ b/examples/v2/events/CreateEvent.rb
@@ -0,0 +1,44 @@
+# Post an event returns "OK" response
+
+require "datadog_api_client"
+api_instance = DatadogAPIClient::V2::EventsAPI.new
+
+body = DatadogAPIClient::V2::EventCreateRequestPayload.new({
+  data: DatadogAPIClient::V2::EventCreateRequest.new({
+    attributes: DatadogAPIClient::V2::EventPayload.new({
+      attributes: DatadogAPIClient::V2::ChangeEventCustomAttributes.new({
+        author: DatadogAPIClient::V2::ChangeEventCustomAttributesAuthor.new({
+          name: "datadog@datadog.com",
+          type: DatadogAPIClient::V2::ChangeEventCustomAttributesAuthorType::USER,
+        }),
+        change_metadata: {
+          "dd": "{'team': 'datadog_team', 'user_email': 'datadog@datadog.com', 'user_id': 'datadog_user_id', 'user_name': 'datadog_username'}", "resource_link": "datadog.com/feature/fallback_payments_test",
+        },
+        changed_resource: DatadogAPIClient::V2::ChangeEventCustomAttributesChangedResource.new({
+          name: "fallback_payments_test",
+          type: DatadogAPIClient::V2::ChangeEventCustomAttributesChangedResourceType::FEATURE_FLAG,
+        }),
+        impacted_resources: [
+          DatadogAPIClient::V2::ChangeEventCustomAttributesImpactedResourcesItems.new({
+            name: "payments_api",
+            type: DatadogAPIClient::V2::ChangeEventCustomAttributesImpactedResourcesItemsType::SERVICE,
+          }),
+        ],
+        new_value: {
+          "enabled": "True", "percentage": "50%", "rule": "{'datacenter': 'devcycle.us1.prod'}",
+        },
+        prev_value: {
+          "enabled": "True", "percentage": "10%", "rule": "{'datacenter': 'devcycle.us1.prod'}",
+        },
+      }),
+      category: DatadogAPIClient::V2::EventCategory::CHANGE,
+      message: "payment_processed feature flag has been enabled",
+      tags: [
+        "environment:test",
+      ],
+      title: "payment_processed feature flag updated",
+    }),
+    type: DatadogAPIClient::V2::EventCreateRequestType::EVENT,
+  }),
+})
+p api_instance.create_event(body)
diff --git a/features/scenarios_model_mapping.rb b/features/scenarios_model_mapping.rb
index 0ff02c599183..4aeffbe730fe 100644
--- a/features/scenarios_model_mapping.rb
+++ b/features/scenarios_model_mapping.rb
@@ -1228,6 +1228,9 @@
             "page_cursor" => "String",
             "page_limit" => "Integer",
     },
+    "v2.CreateEvent" => {
+            "body" => "EventCreateRequestPayload",
+    },
     "v2.SearchEvents" => {
             "body" => "EventsListRequest",
     },
diff --git a/features/v2/events.feature b/features/v2/events.feature
index 9a1c79072d12..2013c242f6c9 100644
--- a/features/v2/events.feature
+++ b/features/v2/events.feature
@@ -7,24 +7,26 @@ Feature: Events
 
   Background:
     Given a valid "apiKeyAuth" key in the system
-    And a valid "appKeyAuth" key in the system
     And an instance of "Events" API
 
   @generated @skip @team:DataDog/event-management
   Scenario: Get a list of events returns "Bad Request" response
-    Given new "ListEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "ListEvents" request
     When the request is sent
     Then the response status is 400 Bad Request
 
   @skip-validation @team:DataDog/event-management
   Scenario: Get a list of events returns "OK" response
-    Given new "ListEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "ListEvents" request
     When the request is sent
     Then the response status is 200 OK
 
   @replay-only @skip-validation @team:DataDog/event-management @with-pagination
   Scenario: Get a list of events returns "OK" response with pagination
-    Given new "ListEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "ListEvents" request
     And request contains "filter[from]" parameter with value "now-15m"
     And request contains "filter[to]" parameter with value "now"
     And request contains "page[limit]" parameter with value 2
@@ -34,7 +36,8 @@ Feature: Events
 
   @team:DataDog/event-management
   Scenario: Get a quick list of events returns "OK" response
-    Given new "ListEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "ListEvents" request
     And request contains "filter[query]" parameter with value "datadog-agent"
     And request contains "filter[from]" parameter with value "2020-09-17T11:48:36+01:00"
     And request contains "filter[to]" parameter with value "2020-09-17T12:48:36+01:00"
@@ -43,16 +46,32 @@ Feature: Events
     Then the response status is 200 OK
     And the response "data" has length 0
 
+  @generated @skip @team:DataDog/event-management
+  Scenario: Post an event returns "Bad request" response
+    Given new "CreateEvent" request
+    And body with value {"data": {"attributes": {"attributes": {"author": {"name": "datadog@datadog.com", "type": "user"}, "change_metadata": {"dd": {"team": "datadog_team", "user_email": "datadog@datadog.com", "user_id": "datadog_user_id", "user_name": "datadog_username"}, "resource_link": "datadog.com/feature/fallback_payments_test"}, "changed_resource": {"name": "fallback_payments_test", "type": "feature_flag"}, "impacted_resources": [{"name": "payments_api", "type": "service"}], "new_value": {"enabled": true, "percentage": "50%", "rule": {"datacenter": "devcycle.us1.prod"}}, "prev_value": {"enabled": true, "percentage": "10%", "rule": {"datacenter": "devcycle.us1.prod"}}}, "category": "change", "message": "payment_processed feature flag has been enabled", "tags": ["environment:test"], "title": "payment_processed feature flag updated"}, "type": "event"}}
+    When the request is sent
+    Then the response status is 400 Bad request
+
+  @generated @skip @team:DataDog/event-management
+  Scenario: Post an event returns "OK" response
+    Given new "CreateEvent" request
+    And body with value {"data": {"attributes": {"attributes": {"author": {"name": "datadog@datadog.com", "type": "user"}, "change_metadata": {"dd": {"team": "datadog_team", "user_email": "datadog@datadog.com", "user_id": "datadog_user_id", "user_name": "datadog_username"}, "resource_link": "datadog.com/feature/fallback_payments_test"}, "changed_resource": {"name": "fallback_payments_test", "type": "feature_flag"}, "impacted_resources": [{"name": "payments_api", "type": "service"}], "new_value": {"enabled": true, "percentage": "50%", "rule": {"datacenter": "devcycle.us1.prod"}}, "prev_value": {"enabled": true, "percentage": "10%", "rule": {"datacenter": "devcycle.us1.prod"}}}, "category": "change", "message": "payment_processed feature flag has been enabled", "tags": ["environment:test"], "title": "payment_processed feature flag updated"}, "type": "event"}}
+    When the request is sent
+    Then the response status is 200 OK
+
   @team:DataDog/event-management
   Scenario: Search events returns "Bad Request" response
-    Given new "SearchEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "SearchEvents" request
     And body with value {"filter": {"from": "now-15m", "query": "service:web* AND @http.status_code:[200 TO 299]", "to": "now"}, "options": {"timezone": "GMT"}, "page": {"cursor": "eyJzdGFydEF0IjoiQVFBQUFYS2tMS3pPbm40NGV3QUFBQUJCV0V0clRFdDZVbG8zY3pCRmNsbHJiVmxDWlEifQ==", "limit": 25}, "sort": "timestamp"}
     When the request is sent
     Then the response status is 400 Bad Request
 
   @team:DataDog/event-management
   Scenario: Search events returns "OK" response
-    Given new "SearchEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "SearchEvents" request
     And body with value {"filter": {"query": "datadog-agent", "from": "2020-09-17T11:48:36+01:00", "to": "2020-09-17T12:48:36+01:00"}, "sort": "timestamp", "page": {"limit": 5}}
     When the request is sent
     Then the response status is 200 OK
@@ -60,7 +79,8 @@ Feature: Events
 
   @replay-only @skip-validation @team:DataDog/event-management @with-pagination
   Scenario: Search events returns "OK" response with pagination
-    Given new "SearchEvents" request
+    Given a valid "appKeyAuth" key in the system
+    And new "SearchEvents" request
     And body with value {"filter": {"from": "now-15m", "to": "now"}, "options": {"timezone": "GMT"}, "page": {"limit": 2}, "sort": "timestamp"}
     When the request with pagination is sent
     Then the response status is 200 OK
diff --git a/features/v2/undo.json b/features/v2/undo.json
index dcb4deb9a783..91f554953bdf 100644
--- a/features/v2/undo.json
+++ b/features/v2/undo.json
@@ -608,6 +608,12 @@
       "type": "safe"
     }
   },
+  "CreateEvent": {
+    "tag": "Events",
+    "undo": {
+      "type": "unsafe"
+    }
+  },
   "SearchEvents": {
     "tag": "Events",
     "undo": {
diff --git a/lib/datadog_api_client/inflector.rb b/lib/datadog_api_client/inflector.rb
index 3bdc3de70abc..52188f75b900 100644
--- a/lib/datadog_api_client/inflector.rb
+++ b/lib/datadog_api_client/inflector.rb
@@ -1085,6 +1085,13 @@ def overrides
           "v2.case_update_status" => "CaseUpdateStatus",
           "v2.case_update_status_attributes" => "CaseUpdateStatusAttributes",
           "v2.case_update_status_request" => "CaseUpdateStatusRequest",
+          "v2.change_event_custom_attributes" => "ChangeEventCustomAttributes",
+          "v2.change_event_custom_attributes_author" => "ChangeEventCustomAttributesAuthor",
+          "v2.change_event_custom_attributes_author_type" => "ChangeEventCustomAttributesAuthorType",
+          "v2.change_event_custom_attributes_changed_resource" => "ChangeEventCustomAttributesChangedResource",
+          "v2.change_event_custom_attributes_changed_resource_type" => "ChangeEventCustomAttributesChangedResourceType",
+          "v2.change_event_custom_attributes_impacted_resources_items" => "ChangeEventCustomAttributesImpactedResourcesItems",
+          "v2.change_event_custom_attributes_impacted_resources_items_type" => "ChangeEventCustomAttributesImpactedResourcesItemsType",
           "v2.chargeback_breakdown" => "ChargebackBreakdown",
           "v2.ci_app_aggregate_bucket_value" => "CIAppAggregateBucketValue",
           "v2.ci_app_aggregate_bucket_value_timeseries_point" => "CIAppAggregateBucketValueTimeseriesPoint",
@@ -1443,6 +1450,17 @@ def overrides
           "v2.entity_v3_system_spec" => "EntityV3SystemSpec",
           "v2.event" => "Event",
           "v2.event_attributes" => "EventAttributes",
+          "v2.event_category" => "EventCategory",
+          "v2.event_create_request" => "EventCreateRequest",
+          "v2.event_create_request_payload" => "EventCreateRequestPayload",
+          "v2.event_create_request_type" => "EventCreateRequestType",
+          "v2.event_create_response" => "EventCreateResponse",
+          "v2.event_create_response_attributes" => "EventCreateResponseAttributes",
+          "v2.event_create_response_attributes_attributes" => "EventCreateResponseAttributesAttributes",
+          "v2.event_create_response_attributes_attributes_evt" => "EventCreateResponseAttributesAttributesEvt",
+          "v2.event_create_response_payload" => "EventCreateResponsePayload",
+          "v2.event_payload" => "EventPayload",
+          "v2.event_payload_attributes" => "EventPayloadAttributes",
           "v2.event_priority" => "EventPriority",
           "v2.event_response" => "EventResponse",
           "v2.event_response_attributes" => "EventResponseAttributes",
diff --git a/lib/datadog_api_client/v2/api/events_api.rb b/lib/datadog_api_client/v2/api/events_api.rb
index f6a9702988e4..adf4da4a1d79 100644
--- a/lib/datadog_api_client/v2/api/events_api.rb
+++ b/lib/datadog_api_client/v2/api/events_api.rb
@@ -23,6 +23,73 @@ def initialize(api_client = DatadogAPIClient::APIClient.default)
       @api_client = api_client
     end
 
+    # Post an event.
+    #
+    # @see #create_event_with_http_info
+    def create_event(body, opts = {})
+      data, _status_code, _headers = create_event_with_http_info(body, opts)
+      data
+    end
+
+    # Post an event.
+    #
+    # This endpoint allows you to post events. Only events with `change` category are under General Availability.
+    #
+    # @param body [EventCreateRequestPayload] Event request object
+    # @param opts [Hash] the optional parameters
+    # @return [Array<(EventCreateResponsePayload, Integer, Hash)>] EventCreateResponsePayload data, response status code and response headers
+    def create_event_with_http_info(body, opts = {})
+
+      if @api_client.config.debugging
+        @api_client.config.logger.debug 'Calling API: EventsAPI.create_event ...'
+      end
+      # verify the required parameter 'body' is set
+      if @api_client.config.client_side_validation && body.nil?
+        fail ArgumentError, "Missing the required parameter 'body' when calling EventsAPI.create_event"
+      end
+      # resource path
+      local_var_path = '/api/v2/events'
+
+      # query parameters
+      query_params = opts[:query_params] || {}
+
+      # header parameters
+      header_params = opts[:header_params] || {}
+      # HTTP header 'Accept' (if needed)
+      header_params['Accept'] = @api_client.select_header_accept(['application/json'])
+      # HTTP header 'Content-Type'
+      header_params['Content-Type'] = @api_client.select_header_content_type(['application/json'])
+
+      # form parameters
+      form_params = opts[:form_params] || {}
+
+      # http body (model)
+      post_body = opts[:debug_body] || @api_client.object_to_http_body(body)
+
+      # return_type
+      return_type = opts[:debug_return_type] || 'EventCreateResponsePayload'
+
+      # auth_names
+      auth_names = opts[:debug_auth_names] || [:apiKeyAuth]
+
+      new_options = opts.merge(
+        :operation => :create_event,
+        :header_params => header_params,
+        :query_params => query_params,
+        :form_params => form_params,
+        :body => post_body,
+        :auth_names => auth_names,
+        :return_type => return_type,
+        :api_version => "V2"
+      )
+
+      data, status_code, headers = @api_client.call_api(Net::HTTP::Post, local_var_path, new_options)
+      if @api_client.config.debugging
+        @api_client.config.logger.debug "API called: EventsAPI#create_event\nData: #{data.inspect}\nStatus code: #{status_code}\nHeaders: #{headers}"
+      end
+      return data, status_code, headers
+    end
+
     # Get a list of events.
     #
     # @see #list_events_with_http_info
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes.rb
new file mode 100644
index 000000000000..5b9a22d2713d
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes.rb
@@ -0,0 +1,176 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object representing custom change event attributes.
+  class ChangeEventCustomAttributes
+    include BaseGenericModel
+
+    # Object representing the entity which made the change. Optional field but if provided should include `type` and `name`.
+    attr_accessor :author
+
+    # Free form object with information related to the `change` event. Can be arbitrarily nested and contain any valid JSON.
+    attr_accessor :change_metadata
+
+    # Object representing a uniquely identified resource. Only the resource type `feature_flag` is supported.
+    attr_reader :changed_resource
+
+    # A list of resources impacted by this change. It is recommended to provide an impacted resource to display
+    # the change event at the right location. Only resources of type `service` are supported.
+    attr_accessor :impacted_resources
+
+    # Free form object to track new value of the changed resource.
+    attr_accessor :new_value
+
+    # Free form object to track previous value of the changed resource.
+    attr_accessor :prev_value
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'author' => :'author',
+        :'change_metadata' => :'change_metadata',
+        :'changed_resource' => :'changed_resource',
+        :'impacted_resources' => :'impacted_resources',
+        :'new_value' => :'new_value',
+        :'prev_value' => :'prev_value'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'author' => :'ChangeEventCustomAttributesAuthor',
+        :'change_metadata' => :'Hash<String, Object>',
+        :'changed_resource' => :'ChangeEventCustomAttributesChangedResource',
+        :'impacted_resources' => :'Array<ChangeEventCustomAttributesImpactedResourcesItems>',
+        :'new_value' => :'Hash<String, Object>',
+        :'prev_value' => :'Hash<String, Object>'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ChangeEventCustomAttributes` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'author')
+        self.author = attributes[:'author']
+      end
+
+      if attributes.key?(:'change_metadata')
+        self.change_metadata = attributes[:'change_metadata']
+      end
+
+      if attributes.key?(:'changed_resource')
+        self.changed_resource = attributes[:'changed_resource']
+      end
+
+      if attributes.key?(:'impacted_resources')
+        if (value = attributes[:'impacted_resources']).is_a?(Array)
+          self.impacted_resources = value
+        end
+      end
+
+      if attributes.key?(:'new_value')
+        self.new_value = attributes[:'new_value']
+      end
+
+      if attributes.key?(:'prev_value')
+        self.prev_value = attributes[:'prev_value']
+      end
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    # @!visibility private
+    def valid?
+      return false if @changed_resource.nil?
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param changed_resource [Object] Object to be assigned
+    # @!visibility private
+    def changed_resource=(changed_resource)
+      if changed_resource.nil?
+        fail ArgumentError, 'invalid value for "changed_resource", changed_resource cannot be nil.'
+      end
+      @changed_resource = changed_resource
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          author == o.author &&
+          change_metadata == o.change_metadata &&
+          changed_resource == o.changed_resource &&
+          impacted_resources == o.impacted_resources &&
+          new_value == o.new_value &&
+          prev_value == o.prev_value
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [author, change_metadata, changed_resource, impacted_resources, new_value, prev_value].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_author.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_author.rb
new file mode 100644
index 000000000000..0b979ce3554b
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_author.rb
@@ -0,0 +1,148 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object representing the entity which made the change. Optional field but if provided should include `type` and `name`.
+  class ChangeEventCustomAttributesAuthor
+    include BaseGenericModel
+
+    # Author's name. Limited to 128 characters.
+    attr_reader :name
+
+    # Author's type.
+    attr_reader :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'name' => :'name',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'name' => :'String',
+        :'type' => :'ChangeEventCustomAttributesAuthorType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ChangeEventCustomAttributesAuthor` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'name')
+        self.name = attributes[:'name']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    # @!visibility private
+    def valid?
+      return false if @name.nil?
+      return false if @name.to_s.length > 128
+      return false if @type.nil?
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param name [Object] Object to be assigned
+    # @!visibility private
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'invalid value for "name", name cannot be nil.'
+      end
+      if name.to_s.length > 128
+        fail ArgumentError, 'invalid value for "name", the character length must be smaller than or equal to 128.'
+      end
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param type [Object] Object to be assigned
+    # @!visibility private
+    def type=(type)
+      if type.nil?
+        fail ArgumentError, 'invalid value for "type", type cannot be nil.'
+      end
+      @type = type
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          name == o.name &&
+          type == o.type
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [name, type].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_author_type.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_author_type.rb
new file mode 100644
index 000000000000..cdb818702f90
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_author_type.rb
@@ -0,0 +1,27 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Author's type.
+  class ChangeEventCustomAttributesAuthorType
+    include BaseEnumModel
+
+    USER = "user".freeze
+    SYSTEM = "system".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource.rb
new file mode 100644
index 000000000000..4faaf472d2ea
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource.rb
@@ -0,0 +1,144 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object representing a uniquely identified resource. Only the resource type `feature_flag` is supported.
+  class ChangeEventCustomAttributesChangedResource
+    include BaseGenericModel
+
+    # Resource's name.
+    attr_reader :name
+
+    # Resource's type.
+    attr_reader :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'name' => :'name',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'name' => :'String',
+        :'type' => :'ChangeEventCustomAttributesChangedResourceType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ChangeEventCustomAttributesChangedResource` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'name')
+        self.name = attributes[:'name']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    # @!visibility private
+    def valid?
+      return false if @name.nil?
+      return false if @type.nil?
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param name [Object] Object to be assigned
+    # @!visibility private
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'invalid value for "name", name cannot be nil.'
+      end
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param type [Object] Object to be assigned
+    # @!visibility private
+    def type=(type)
+      if type.nil?
+        fail ArgumentError, 'invalid value for "type", type cannot be nil.'
+      end
+      @type = type
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          name == o.name &&
+          type == o.type
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [name, type].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource_type.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource_type.rb
new file mode 100644
index 000000000000..feb61467bdb6
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_changed_resource_type.rb
@@ -0,0 +1,26 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Resource's type.
+  class ChangeEventCustomAttributesChangedResourceType
+    include BaseEnumModel
+
+    FEATURE_FLAG = "feature_flag".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items.rb
new file mode 100644
index 000000000000..55c50b65aa87
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items.rb
@@ -0,0 +1,144 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object representing a uniquely identified resource. Only the resource type `service` is supported.
+  class ChangeEventCustomAttributesImpactedResourcesItems
+    include BaseGenericModel
+
+    # Resource's name.
+    attr_reader :name
+
+    # Resource's type.
+    attr_reader :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'name' => :'name',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'name' => :'String',
+        :'type' => :'ChangeEventCustomAttributesImpactedResourcesItemsType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::ChangeEventCustomAttributesImpactedResourcesItems` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'name')
+        self.name = attributes[:'name']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    # @!visibility private
+    def valid?
+      return false if @name.nil?
+      return false if @type.nil?
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param name [Object] Object to be assigned
+    # @!visibility private
+    def name=(name)
+      if name.nil?
+        fail ArgumentError, 'invalid value for "name", name cannot be nil.'
+      end
+      @name = name
+    end
+
+    # Custom attribute writer method with validation
+    # @param type [Object] Object to be assigned
+    # @!visibility private
+    def type=(type)
+      if type.nil?
+        fail ArgumentError, 'invalid value for "type", type cannot be nil.'
+      end
+      @type = type
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          name == o.name &&
+          type == o.type
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [name, type].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items_type.rb b/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items_type.rb
new file mode 100644
index 000000000000..930c49b28db4
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/change_event_custom_attributes_impacted_resources_items_type.rb
@@ -0,0 +1,26 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Resource's type.
+  class ChangeEventCustomAttributesImpactedResourcesItemsType
+    include BaseEnumModel
+
+    SERVICE = "service".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_category.rb b/lib/datadog_api_client/v2/models/event_category.rb
new file mode 100644
index 000000000000..43b97b08f8d5
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_category.rb
@@ -0,0 +1,26 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Event category to identify the type of event. Only the value `change` is supported. Support for other categories are coming. please reach out to datadog support if you're interested.
+  class EventCategory
+    include BaseEnumModel
+
+    CHANGE = "change".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_request.rb b/lib/datadog_api_client/v2/models/event_create_request.rb
new file mode 100644
index 000000000000..e9325b3ace49
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_request.rb
@@ -0,0 +1,115 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object representing an event creation request.
+  class EventCreateRequest
+    include BaseGenericModel
+
+    # Event attributes.
+    attr_accessor :attributes
+
+    # Entity type.
+    attr_accessor :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'attributes' => :'attributes',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'attributes' => :'EventPayload',
+        :'type' => :'EventCreateRequestType'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateRequest` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'attributes')
+        self.attributes = attributes[:'attributes']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          attributes == o.attributes &&
+          type == o.type
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [attributes, type].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_request_payload.rb b/lib/datadog_api_client/v2/models/event_create_request_payload.rb
new file mode 100644
index 000000000000..a5e21127f646
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_request_payload.rb
@@ -0,0 +1,105 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Payload for creating an event.
+  class EventCreateRequestPayload
+    include BaseGenericModel
+
+    # Object representing an event creation request.
+    attr_accessor :data
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'data' => :'data'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'data' => :'EventCreateRequest'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateRequestPayload` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'data')
+        self.data = attributes[:'data']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          data == o.data
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [data].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_request_type.rb b/lib/datadog_api_client/v2/models/event_create_request_type.rb
new file mode 100644
index 000000000000..05422b7ec95e
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_request_type.rb
@@ -0,0 +1,26 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Entity type.
+  class EventCreateRequestType
+    include BaseEnumModel
+
+    EVENT = "event".freeze
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_response.rb b/lib/datadog_api_client/v2/models/event_create_response.rb
new file mode 100644
index 000000000000..37cfce52d8d1
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_response.rb
@@ -0,0 +1,115 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Object containing an event response.
+  class EventCreateResponse
+    include BaseGenericModel
+
+    # JSON object containing all events attributes and their associated values.
+    attr_accessor :attributes
+
+    # Event type
+    attr_accessor :type
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'attributes' => :'attributes',
+        :'type' => :'type'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'attributes' => :'EventCreateResponseAttributes',
+        :'type' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateResponse` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'attributes')
+        self.attributes = attributes[:'attributes']
+      end
+
+      if attributes.key?(:'type')
+        self.type = attributes[:'type']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          attributes == o.attributes &&
+          type == o.type
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [attributes, type].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_response_attributes.rb b/lib/datadog_api_client/v2/models/event_create_response_attributes.rb
new file mode 100644
index 000000000000..a0c5a6ec3368
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_response_attributes.rb
@@ -0,0 +1,105 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # JSON object containing all events attributes and their associated values.
+  class EventCreateResponseAttributes
+    include BaseGenericModel
+
+    # JSON object of attributes from your events.
+    attr_accessor :attributes
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'attributes' => :'attributes'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'attributes' => :'EventCreateResponseAttributesAttributes'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateResponseAttributes` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'attributes')
+        self.attributes = attributes[:'attributes']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          attributes == o.attributes
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [attributes].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes.rb b/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes.rb
new file mode 100644
index 000000000000..fa2ebbcdd0ef
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes.rb
@@ -0,0 +1,105 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # JSON object of attributes from your events.
+  class EventCreateResponseAttributesAttributes
+    include BaseGenericModel
+
+    # JSON object of event system attributes.
+    attr_accessor :evt
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'evt' => :'evt'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'evt' => :'EventCreateResponseAttributesAttributesEvt'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateResponseAttributesAttributes` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'evt')
+        self.evt = attributes[:'evt']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          evt == o.evt
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [evt].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes_evt.rb b/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes_evt.rb
new file mode 100644
index 000000000000..bccc6b3ccf85
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_response_attributes_attributes_evt.rb
@@ -0,0 +1,105 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # JSON object of event system attributes.
+  class EventCreateResponseAttributesAttributesEvt
+    include BaseGenericModel
+
+    # Event id
+    attr_accessor :id
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'id' => :'id'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'id' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateResponseAttributesAttributesEvt` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'id')
+        self.id = attributes[:'id']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          id == o.id
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [id].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_create_response_payload.rb b/lib/datadog_api_client/v2/models/event_create_response_payload.rb
new file mode 100644
index 000000000000..21d22a813658
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_create_response_payload.rb
@@ -0,0 +1,105 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Response containing information about created event.
+  class EventCreateResponsePayload
+    include BaseGenericModel
+
+    # Object containing an event response.
+    attr_accessor :data
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'data' => :'data'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'data' => :'EventCreateResponse'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventCreateResponsePayload` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'data')
+        self.data = attributes[:'data']
+      end
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          data == o.data
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [data].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_payload.rb b/lib/datadog_api_client/v2/models/event_payload.rb
new file mode 100644
index 000000000000..246776d03559
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_payload.rb
@@ -0,0 +1,236 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # Event attributes.
+  class EventPayload
+    include BaseGenericModel
+
+    # An arbitrary string to use for aggregation when correlating events. Limited to 100 characters.
+    attr_reader :aggregation_key
+
+    # JSON object for custom attributes. Schema are different per each event category.
+    attr_reader :attributes
+
+    # Event category to identify the type of event. Only the value `change` is supported. Support for other categories are coming. please reach out to datadog support if you're interested.
+    attr_reader :category
+
+    # The body of the event. Limited to 4000 characters.
+    attr_reader :message
+
+    # A list of tags to apply to the event.
+    # Refer to [Tags docs](https://docs.datadoghq.com/getting_started/tagging/).
+    attr_accessor :tags
+
+    # Timestamp when the event occurred. Must follow [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) format.
+    # For example `"2017-01-15T01:30:15.010000Z"`.
+    # Defaults to the timestamp of receipt. Limited to values no older than 18 hours.
+    attr_accessor :timestamp
+
+    # The event title. Limited to 500 characters.
+    attr_reader :title
+
+    attr_accessor :additional_properties
+
+    # Attribute mapping from ruby-style variable name to JSON key.
+    # @!visibility private
+    def self.attribute_map
+      {
+        :'aggregation_key' => :'aggregation_key',
+        :'attributes' => :'attributes',
+        :'category' => :'category',
+        :'message' => :'message',
+        :'tags' => :'tags',
+        :'timestamp' => :'timestamp',
+        :'title' => :'title'
+      }
+    end
+
+    # Attribute type mapping.
+    # @!visibility private
+    def self.openapi_types
+      {
+        :'aggregation_key' => :'String',
+        :'attributes' => :'EventPayloadAttributes',
+        :'category' => :'EventCategory',
+        :'message' => :'String',
+        :'tags' => :'Array<String>',
+        :'timestamp' => :'String',
+        :'title' => :'String'
+      }
+    end
+
+    # Initializes the object
+    # @param attributes [Hash] Model attributes in the form of hash
+    # @!visibility private
+    def initialize(attributes = {})
+      if (!attributes.is_a?(Hash))
+        fail ArgumentError, "The input argument (attributes) must be a hash in `DatadogAPIClient::V2::EventPayload` initialize method"
+      end
+
+      self.additional_properties = {}
+      # check to see if the attribute exists and convert string to symbol for hash key
+      attributes = attributes.each_with_object({}) { |(k, v), h|
+        if (!self.class.attribute_map.key?(k.to_sym))
+          self.additional_properties[k.to_sym] = v
+        else
+          h[k.to_sym] = v
+        end
+      }
+
+      if attributes.key?(:'aggregation_key')
+        self.aggregation_key = attributes[:'aggregation_key']
+      end
+
+      if attributes.key?(:'attributes')
+        self.attributes = attributes[:'attributes']
+      end
+
+      if attributes.key?(:'category')
+        self.category = attributes[:'category']
+      end
+
+      if attributes.key?(:'message')
+        self.message = attributes[:'message']
+      end
+
+      if attributes.key?(:'tags')
+        if (value = attributes[:'tags']).is_a?(Array)
+          self.tags = value
+        end
+      end
+
+      if attributes.key?(:'timestamp')
+        self.timestamp = attributes[:'timestamp']
+      end
+
+      if attributes.key?(:'title')
+        self.title = attributes[:'title']
+      end
+    end
+
+    # Check to see if the all the properties in the model are valid
+    # @return true if the model is valid
+    # @!visibility private
+    def valid?
+      return false if !@aggregation_key.nil? && @aggregation_key.to_s.length > 100
+      return false if @attributes.nil?
+      return false if @category.nil?
+      return false if !@message.nil? && @message.to_s.length > 4000
+      return false if @title.nil?
+      return false if @title.to_s.length > 500
+      true
+    end
+
+    # Custom attribute writer method with validation
+    # @param aggregation_key [Object] Object to be assigned
+    # @!visibility private
+    def aggregation_key=(aggregation_key)
+      if !aggregation_key.nil? && aggregation_key.to_s.length > 100
+        fail ArgumentError, 'invalid value for "aggregation_key", the character length must be smaller than or equal to 100.'
+      end
+      @aggregation_key = aggregation_key
+    end
+
+    # Custom attribute writer method with validation
+    # @param attributes [Object] Object to be assigned
+    # @!visibility private
+    def attributes=(attributes)
+      if attributes.nil?
+        fail ArgumentError, 'invalid value for "attributes", attributes cannot be nil.'
+      end
+      @attributes = attributes
+    end
+
+    # Custom attribute writer method with validation
+    # @param category [Object] Object to be assigned
+    # @!visibility private
+    def category=(category)
+      if category.nil?
+        fail ArgumentError, 'invalid value for "category", category cannot be nil.'
+      end
+      @category = category
+    end
+
+    # Custom attribute writer method with validation
+    # @param message [Object] Object to be assigned
+    # @!visibility private
+    def message=(message)
+      if !message.nil? && message.to_s.length > 4000
+        fail ArgumentError, 'invalid value for "message", the character length must be smaller than or equal to 4000.'
+      end
+      @message = message
+    end
+
+    # Custom attribute writer method with validation
+    # @param title [Object] Object to be assigned
+    # @!visibility private
+    def title=(title)
+      if title.nil?
+        fail ArgumentError, 'invalid value for "title", title cannot be nil.'
+      end
+      if title.to_s.length > 500
+        fail ArgumentError, 'invalid value for "title", the character length must be smaller than or equal to 500.'
+      end
+      @title = title
+    end
+
+    # Returns the object in the form of hash, with additionalProperties support.
+    # @return [Hash] Returns the object in the form of hash
+    # @!visibility private
+    def to_hash
+      hash = {}
+      self.class.attribute_map.each_pair do |attr, param|
+        value = self.send(attr)
+        if value.nil?
+          is_nullable = self.class.openapi_nullable.include?(attr)
+          next if !is_nullable || (is_nullable && !instance_variable_defined?(:"@#{attr}"))
+        end
+
+        hash[param] = _to_hash(value)
+      end
+      self.additional_properties.each_pair do |attr, value|
+        hash[attr] = value
+      end
+      hash
+    end
+
+    # Checks equality by comparing each attribute.
+    # @param o [Object] Object to be compared
+    # @!visibility private
+    def ==(o)
+      return true if self.equal?(o)
+      self.class == o.class &&
+          aggregation_key == o.aggregation_key &&
+          attributes == o.attributes &&
+          category == o.category &&
+          message == o.message &&
+          tags == o.tags &&
+          timestamp == o.timestamp &&
+          title == o.title
+          additional_properties == o.additional_properties
+    end
+
+    # Calculates hash code according to all attributes.
+    # @return [Integer] Hash code
+    # @!visibility private
+    def hash
+      [aggregation_key, attributes, category, message, tags, timestamp, title].hash
+    end
+  end
+end
diff --git a/lib/datadog_api_client/v2/models/event_payload_attributes.rb b/lib/datadog_api_client/v2/models/event_payload_attributes.rb
new file mode 100644
index 000000000000..0d0225479a8a
--- /dev/null
+++ b/lib/datadog_api_client/v2/models/event_payload_attributes.rb
@@ -0,0 +1,62 @@
+=begin
+#Datadog API V2 Collection
+
+#Collection of all Datadog Public endpoints.
+
+The version of the OpenAPI document: 1.0
+Contact: support@datadoghq.com
+Generated by: https://github.com/DataDog/datadog-api-client-ruby/tree/master/.generator
+
+ Unless explicitly stated otherwise all files in this repository are licensed under the Apache-2.0 License.
+ This product includes software developed at Datadog (https://www.datadoghq.com/).
+ Copyright 2020-Present Datadog, Inc.
+
+=end
+
+require 'date'
+require 'time'
+
+module DatadogAPIClient::V2
+  # JSON object for custom attributes. Schema are different per each event category.
+  module EventPayloadAttributes
+    class << self
+      include BaseOneOfModel
+      include BaseOneOfModelNoDiscriminator
+
+      # List of class defined in oneOf (OpenAPI v3)
+      def openapi_one_of
+        [
+          :'ChangeEventCustomAttributes'
+        ]
+      end
+      # Builds the object
+      # @param data [Mixed] Data to be matched against the list of oneOf items
+      # @return [Object] Returns the model or the data itself
+      def build(data)
+        # Go through the list of oneOf items and attempt to identify the appropriate one.
+        # Note:
+        # - We do not attempt to check whether exactly one item matches.
+        # - No advanced validation of types in some cases (e.g. "x: { type: string }" will happily match { x: 123 })
+        #   due to the way the deserialization is made in the base_object template (it just casts without verifying).
+        # - TODO: scalar values are de facto behaving as if they were nullable.
+        # - TODO: logging when debugging is set.
+        openapi_one_of.each do |klass|
+          begin
+            next if klass == :AnyType # "nullable: true"
+            typed_data = find_and_cast_into_type(klass, data)
+            next if typed_data.respond_to?(:_unparsed) && typed_data._unparsed
+            return typed_data if typed_data
+          rescue # rescue all errors so we keep iterating even if the current item lookup raises
+          end
+        end
+
+        if openapi_one_of.include?(:AnyType)
+          data
+        else
+          self._unparsed = true
+          DatadogAPIClient::UnparsedObject.new(data)
+        end
+      end
+    end
+  end
+end