diff --git a/services/iaasalpha/api_default.go b/services/iaasalpha/api_default.go
index ae7bee249..5bafc74c8 100644
--- a/services/iaasalpha/api_default.go
+++ b/services/iaasalpha/api_default.go
@@ -14003,9 +14003,17 @@ type ApiListImagesRequest struct {
 	ctx           context.Context
 	apiService    *DefaultApiService
 	projectId     string
+	all           *bool
 	labelSelector *string
 }
 
+// List all Images.
+
+func (r ApiListImagesRequest) All(all bool) ApiListImagesRequest {
+	r.all = &all
+	return r
+}
+
 // Filter resources by labels.
 
 func (r ApiListImagesRequest) LabelSelector(labelSelector string) ApiListImagesRequest {
@@ -14039,6 +14047,9 @@ func (r ApiListImagesRequest) Execute() (*ImageListResponse, error) {
 		return localVarReturnValue, fmt.Errorf("projectId must have less than 36 elements")
 	}
 
+	if r.all != nil {
+		parameterAddToHeaderOrQuery(localVarQueryParams, "all", r.all, "")
+	}
 	if r.labelSelector != nil {
 		parameterAddToHeaderOrQuery(localVarQueryParams, "label_selector", r.labelSelector, "")
 	}
@@ -15879,30 +15890,49 @@ func (a *APIClient) ListProjectNICsExecute(ctx context.Context, projectId string
 	return r.Execute()
 }
 
-type ApiListPublicIPRangesRequest struct {
-	ctx        context.Context
-	apiService *DefaultApiService
+type ApiListPublicIPsRequest struct {
+	ctx           context.Context
+	apiService    *DefaultApiService
+	projectId     string
+	labelSelector *string
 }
 
-func (r ApiListPublicIPRangesRequest) Execute() (*PublicNetworkListResponse, error) {
+// Filter resources by labels.
+
+func (r ApiListPublicIPsRequest) LabelSelector(labelSelector string) ApiListPublicIPsRequest {
+	r.labelSelector = &labelSelector
+	return r
+}
+
+func (r ApiListPublicIPsRequest) Execute() (*PublicIpListResponse, error) {
 	var (
 		localVarHTTPMethod  = http.MethodGet
 		localVarPostBody    interface{}
 		formFiles           []formFile
-		localVarReturnValue *PublicNetworkListResponse
+		localVarReturnValue *PublicIpListResponse
 	)
 	a := r.apiService
-	localBasePath, err := a.client.cfg.ServerURLWithContext(r.ctx, "DefaultApiService.ListPublicIPRanges")
+	localBasePath, err := a.client.cfg.ServerURLWithContext(r.ctx, "DefaultApiService.ListPublicIPs")
 	if err != nil {
 		return localVarReturnValue, &oapierror.GenericOpenAPIError{ErrorMessage: err.Error()}
 	}
 
-	localVarPath := localBasePath + "/v1alpha1/networks/public-ip-ranges"
+	localVarPath := localBasePath + "/v1alpha1/projects/{projectId}/public-ips"
+	localVarPath = strings.Replace(localVarPath, "{"+"projectId"+"}", url.PathEscape(ParameterValueToString(r.projectId, "projectId")), -1)
 
 	localVarHeaderParams := make(map[string]string)
 	localVarQueryParams := url.Values{}
 	localVarFormParams := url.Values{}
+	if strlen(r.projectId) < 36 {
+		return localVarReturnValue, fmt.Errorf("projectId must have at least 36 elements")
+	}
+	if strlen(r.projectId) > 36 {
+		return localVarReturnValue, fmt.Errorf("projectId must have less than 36 elements")
+	}
 
+	if r.labelSelector != nil {
+		parameterAddToHeaderOrQuery(localVarQueryParams, "label_selector", r.labelSelector, "")
+	}
 	// to determine the Content-Type header
 	localVarHTTPContentTypes := []string{}
 
@@ -16023,71 +16053,55 @@ func (r ApiListPublicIPRangesRequest) Execute() (*PublicNetworkListResponse, err
 }
 
 /*
-ListPublicIPRanges: List all public IP ranges.
+ListPublicIPs: List all public IPs inside a project.
 
-Get a list of all public IP ranges that STACKIT uses.
+Get a list of all public IPs inside a project.
 
 	@param ctx context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
-	@return ApiListPublicIPRangesRequest
+	@param projectId The identifier (ID) of a STACKIT Project.
+	@return ApiListPublicIPsRequest
 */
-func (a *APIClient) ListPublicIPRanges(ctx context.Context) ApiListPublicIPRangesRequest {
-	return ApiListPublicIPRangesRequest{
+func (a *APIClient) ListPublicIPs(ctx context.Context, projectId string) ApiListPublicIPsRequest {
+	return ApiListPublicIPsRequest{
 		apiService: a.defaultApi,
 		ctx:        ctx,
+		projectId:  projectId,
 	}
 }
 
-func (a *APIClient) ListPublicIPRangesExecute(ctx context.Context) (*PublicNetworkListResponse, error) {
-	r := ApiListPublicIPRangesRequest{
+func (a *APIClient) ListPublicIPsExecute(ctx context.Context, projectId string) (*PublicIpListResponse, error) {
+	r := ApiListPublicIPsRequest{
 		apiService: a.defaultApi,
 		ctx:        ctx,
+		projectId:  projectId,
 	}
 	return r.Execute()
 }
 
-type ApiListPublicIPsRequest struct {
-	ctx           context.Context
-	apiService    *DefaultApiService
-	projectId     string
-	labelSelector *string
-}
-
-// Filter resources by labels.
-
-func (r ApiListPublicIPsRequest) LabelSelector(labelSelector string) ApiListPublicIPsRequest {
-	r.labelSelector = &labelSelector
-	return r
+type ApiListPublicIpRangesRequest struct {
+	ctx        context.Context
+	apiService *DefaultApiService
 }
 
-func (r ApiListPublicIPsRequest) Execute() (*PublicIpListResponse, error) {
+func (r ApiListPublicIpRangesRequest) Execute() (*PublicNetworkListResponse, error) {
 	var (
 		localVarHTTPMethod  = http.MethodGet
 		localVarPostBody    interface{}
 		formFiles           []formFile
-		localVarReturnValue *PublicIpListResponse
+		localVarReturnValue *PublicNetworkListResponse
 	)
 	a := r.apiService
-	localBasePath, err := a.client.cfg.ServerURLWithContext(r.ctx, "DefaultApiService.ListPublicIPs")
+	localBasePath, err := a.client.cfg.ServerURLWithContext(r.ctx, "DefaultApiService.ListPublicIpRanges")
 	if err != nil {
 		return localVarReturnValue, &oapierror.GenericOpenAPIError{ErrorMessage: err.Error()}
 	}
 
-	localVarPath := localBasePath + "/v1alpha1/projects/{projectId}/public-ips"
-	localVarPath = strings.Replace(localVarPath, "{"+"projectId"+"}", url.PathEscape(ParameterValueToString(r.projectId, "projectId")), -1)
+	localVarPath := localBasePath + "/v1alpha1/networks/public-ip-ranges"
 
 	localVarHeaderParams := make(map[string]string)
 	localVarQueryParams := url.Values{}
 	localVarFormParams := url.Values{}
-	if strlen(r.projectId) < 36 {
-		return localVarReturnValue, fmt.Errorf("projectId must have at least 36 elements")
-	}
-	if strlen(r.projectId) > 36 {
-		return localVarReturnValue, fmt.Errorf("projectId must have less than 36 elements")
-	}
 
-	if r.labelSelector != nil {
-		parameterAddToHeaderOrQuery(localVarQueryParams, "label_selector", r.labelSelector, "")
-	}
 	// to determine the Content-Type header
 	localVarHTTPContentTypes := []string{}
 
@@ -16208,27 +16222,24 @@ func (r ApiListPublicIPsRequest) Execute() (*PublicIpListResponse, error) {
 }
 
 /*
-ListPublicIPs: List all public IPs inside a project.
+ListPublicIpRanges: List all public IP ranges.
 
-Get a list of all public IPs inside a project.
+Get a list of all public IP ranges that STACKIT uses.
 
 	@param ctx context.Context - for authentication, logging, cancellation, deadlines, tracing, etc. Passed from http.Request or context.Background().
-	@param projectId The identifier (ID) of a STACKIT Project.
-	@return ApiListPublicIPsRequest
+	@return ApiListPublicIpRangesRequest
 */
-func (a *APIClient) ListPublicIPs(ctx context.Context, projectId string) ApiListPublicIPsRequest {
-	return ApiListPublicIPsRequest{
+func (a *APIClient) ListPublicIpRanges(ctx context.Context) ApiListPublicIpRangesRequest {
+	return ApiListPublicIpRangesRequest{
 		apiService: a.defaultApi,
 		ctx:        ctx,
-		projectId:  projectId,
 	}
 }
 
-func (a *APIClient) ListPublicIPsExecute(ctx context.Context, projectId string) (*PublicIpListResponse, error) {
-	r := ApiListPublicIPsRequest{
+func (a *APIClient) ListPublicIpRangesExecute(ctx context.Context) (*PublicNetworkListResponse, error) {
+	r := ApiListPublicIpRangesRequest{
 		apiService: a.defaultApi,
 		ctx:        ctx,
-		projectId:  projectId,
 	}
 	return r.Execute()
 }
diff --git a/services/iaasalpha/api_default_test.go b/services/iaasalpha/api_default_test.go
index 642e2c21d..c418d523b 100644
--- a/services/iaasalpha/api_default_test.go
+++ b/services/iaasalpha/api_default_test.go
@@ -4447,12 +4447,14 @@ func Test_iaasalpha_DefaultApiService(t *testing.T) {
 		}
 	})
 
-	t.Run("Test DefaultApiService ListPublicIPRanges", func(t *testing.T) {
-		path := "/v1alpha1/networks/public-ip-ranges"
+	t.Run("Test DefaultApiService ListPublicIPs", func(t *testing.T) {
+		path := "/v1alpha1/projects/{projectId}/public-ips"
+		projectIdValue := "projectId"
+		path = strings.Replace(path, "{"+"projectId"+"}", url.PathEscape(ParameterValueToString(projectIdValue, "projectId")), -1)
 
 		testDefaultApiServeMux := http.NewServeMux()
 		testDefaultApiServeMux.HandleFunc(path, func(w http.ResponseWriter, req *http.Request) {
-			data := PublicNetworkListResponse{}
+			data := PublicIpListResponse{}
 			w.Header().Add("Content-Type", "application/json")
 			json.NewEncoder(w).Encode(data)
 		})
@@ -4485,7 +4487,9 @@ func Test_iaasalpha_DefaultApiService(t *testing.T) {
 			t.Fatalf("creating API client: %v", err)
 		}
 
-		resp, reqErr := apiClient.ListPublicIPRanges(context.Background()).Execute()
+		projectId := "projectId"
+
+		resp, reqErr := apiClient.ListPublicIPs(context.Background(), projectId).Execute()
 
 		if reqErr != nil {
 			t.Fatalf("error in call: %v", reqErr)
@@ -4495,14 +4499,12 @@ func Test_iaasalpha_DefaultApiService(t *testing.T) {
 		}
 	})
 
-	t.Run("Test DefaultApiService ListPublicIPs", func(t *testing.T) {
-		path := "/v1alpha1/projects/{projectId}/public-ips"
-		projectIdValue := "projectId"
-		path = strings.Replace(path, "{"+"projectId"+"}", url.PathEscape(ParameterValueToString(projectIdValue, "projectId")), -1)
+	t.Run("Test DefaultApiService ListPublicIpRanges", func(t *testing.T) {
+		path := "/v1alpha1/networks/public-ip-ranges"
 
 		testDefaultApiServeMux := http.NewServeMux()
 		testDefaultApiServeMux.HandleFunc(path, func(w http.ResponseWriter, req *http.Request) {
-			data := PublicIpListResponse{}
+			data := PublicNetworkListResponse{}
 			w.Header().Add("Content-Type", "application/json")
 			json.NewEncoder(w).Encode(data)
 		})
@@ -4535,9 +4537,7 @@ func Test_iaasalpha_DefaultApiService(t *testing.T) {
 			t.Fatalf("creating API client: %v", err)
 		}
 
-		projectId := "projectId"
-
-		resp, reqErr := apiClient.ListPublicIPs(context.Background(), projectId).Execute()
+		resp, reqErr := apiClient.ListPublicIpRanges(context.Background()).Execute()
 
 		if reqErr != nil {
 			t.Fatalf("error in call: %v", reqErr)
diff --git a/services/iaasalpha/model_add_volume_to_server_payload.go b/services/iaasalpha/model_add_volume_to_server_payload.go
index 1e8743892..25324d567 100644
--- a/services/iaasalpha/model_add_volume_to_server_payload.go
+++ b/services/iaasalpha/model_add_volume_to_server_payload.go
@@ -33,8 +33,6 @@ type AddVolumeToServerPayload struct {
 // will change when the set of required properties is changed
 func NewAddVolumeToServerPayload() *AddVolumeToServerPayload {
 	this := AddVolumeToServerPayload{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
@@ -43,8 +41,6 @@ func NewAddVolumeToServerPayload() *AddVolumeToServerPayload {
 // but it doesn't guarantee that properties required by API are set
 func NewAddVolumeToServerPayloadWithDefaults() *AddVolumeToServerPayload {
 	this := AddVolumeToServerPayload{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
diff --git a/services/iaasalpha/model_affinity_group.go b/services/iaasalpha/model_affinity_group.go
index b17eade9c..9b736741e 100644
--- a/services/iaasalpha/model_affinity_group.go
+++ b/services/iaasalpha/model_affinity_group.go
@@ -26,7 +26,7 @@ type AffinityGroup struct {
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
 	Name *string `json:"name"`
-	// The affinity group policy.
+	// The affinity group policy. `hard-affinity`: All servers in this group will be hosted on the same compute node. `soft-affinity`: All servers in this group will be hosted on as few compute nodes as possible. `hard-anti-affinity`: All servers in this group will be hosted on different compute nodes. `soft-anti-affinity`: All servers in this group will be hosted on as many compute nodes as possible. Possible values: `hard-anti-affinity`, `hard-affinity`, `soft-anti-affinity`, `soft-affinity`.
 	// REQUIRED
 	Policy *string `json:"policy"`
 }
diff --git a/services/iaasalpha/model_allowed_addresses_inner.go b/services/iaasalpha/model_allowed_addresses_inner.go
index 9000e0594..40126c2bf 100644
--- a/services/iaasalpha/model_allowed_addresses_inner.go
+++ b/services/iaasalpha/model_allowed_addresses_inner.go
@@ -62,7 +62,7 @@ func (src AllowedAddressesInner) MarshalJSON() ([]byte, error) {
 		return json.Marshal(&src.String)
 	}
 
-	return nil, nil // no data in oneOf schemas
+	return []byte("{}"), nil // no data in oneOf schemas => empty JSON object
 }
 
 // Get the actual instance
diff --git a/services/iaasalpha/model_area_id.go b/services/iaasalpha/model_area_id.go
index c0148571a..3ac3ef3f5 100644
--- a/services/iaasalpha/model_area_id.go
+++ b/services/iaasalpha/model_area_id.go
@@ -88,7 +88,7 @@ func (src AreaId) MarshalJSON() ([]byte, error) {
 		return json.Marshal(&src.String)
 	}
 
-	return nil, nil // no data in oneOf schemas
+	return []byte("{}"), nil // no data in oneOf schemas => empty JSON object
 }
 
 // Get the actual instance
diff --git a/services/iaasalpha/model_backup.go b/services/iaasalpha/model_backup.go
index 40206267d..d041fc8c5 100644
--- a/services/iaasalpha/model_backup.go
+++ b/services/iaasalpha/model_backup.go
@@ -26,7 +26,7 @@ type Backup struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
@@ -34,7 +34,7 @@ type Backup struct {
 	Size *int64 `json:"size,omitempty"`
 	// Universally Unique Identifier (UUID).
 	SnapshotId *string `json:"snapshotId,omitempty"`
-	// The status of a backup object.
+	// The status of a backup object. Possible values: `AVAILABLE`, `CREATING`, `DELETED`, `DELETING`, `ERROR`, `RESTORING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_backup_source.go b/services/iaasalpha/model_backup_source.go
index e236d903d..be4f7753a 100644
--- a/services/iaasalpha/model_backup_source.go
+++ b/services/iaasalpha/model_backup_source.go
@@ -22,7 +22,7 @@ type BackupSource struct {
 	// Universally Unique Identifier (UUID).
 	// REQUIRED
 	Id *string `json:"id"`
-	// The source types of a backup.
+	// The source types of a backup. Possible values: `volume`, `snapshot`.
 	// REQUIRED
 	Type *string `json:"type"`
 }
diff --git a/services/iaasalpha/model_boot_volume.go b/services/iaasalpha/model_boot_volume.go
index 8d557707c..0a5027d1c 100644
--- a/services/iaasalpha/model_boot_volume.go
+++ b/services/iaasalpha/model_boot_volume.go
@@ -36,8 +36,6 @@ type BootVolume struct {
 // will change when the set of required properties is changed
 func NewBootVolume() *BootVolume {
 	this := BootVolume{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
@@ -46,8 +44,6 @@ func NewBootVolume() *BootVolume {
 // but it doesn't guarantee that properties required by API are set
 func NewBootVolumeWithDefaults() *BootVolume {
 	this := BootVolume{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
diff --git a/services/iaasalpha/model_boot_volume_source.go b/services/iaasalpha/model_boot_volume_source.go
index e1cee12b7..4a86824d2 100644
--- a/services/iaasalpha/model_boot_volume_source.go
+++ b/services/iaasalpha/model_boot_volume_source.go
@@ -22,7 +22,7 @@ type BootVolumeSource struct {
 	// Universally Unique Identifier (UUID).
 	// REQUIRED
 	Id *string `json:"id"`
-	// The source types of a boot volume.
+	// The source types of a boot volume. Possible values: `image`, `volume`.
 	// REQUIRED
 	Type *string `json:"type"`
 }
diff --git a/services/iaasalpha/model_create_affinity_group_payload.go b/services/iaasalpha/model_create_affinity_group_payload.go
index 211a23cf4..a29c5f82d 100644
--- a/services/iaasalpha/model_create_affinity_group_payload.go
+++ b/services/iaasalpha/model_create_affinity_group_payload.go
@@ -26,7 +26,7 @@ type CreateAffinityGroupPayload struct {
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
 	Name *string `json:"name"`
-	// The affinity group policy.
+	// The affinity group policy. `hard-affinity`: All servers in this group will be hosted on the same compute node. `soft-affinity`: All servers in this group will be hosted on as few compute nodes as possible. `hard-anti-affinity`: All servers in this group will be hosted on different compute nodes. `soft-anti-affinity`: All servers in this group will be hosted on as many compute nodes as possible. Possible values: `hard-anti-affinity`, `hard-affinity`, `soft-anti-affinity`, `soft-affinity`.
 	// REQUIRED
 	Policy *string `json:"policy"`
 }
diff --git a/services/iaasalpha/model_create_backup_payload.go b/services/iaasalpha/model_create_backup_payload.go
index 596bede50..35ee6d77a 100644
--- a/services/iaasalpha/model_create_backup_payload.go
+++ b/services/iaasalpha/model_create_backup_payload.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &CreateBackupPayload{}
 
 // CreateBackupPayload Object that represents a backup create request body.
 type CreateBackupPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_create_image_payload.go b/services/iaasalpha/model_create_image_payload.go
index 055fb4c2e..0cd64a52c 100644
--- a/services/iaasalpha/model_create_image_payload.go
+++ b/services/iaasalpha/model_create_image_payload.go
@@ -24,12 +24,12 @@ type CreateImagePayload struct {
 	Config   *ImageConfig   `json:"config,omitempty"`
 	// Date-time when resource was created.
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
-	// Object that represents a disk format.
+	// Object that represents a disk format. Possible values: `raw`, `qcow2`, `iso`.
 	// REQUIRED
 	DiskFormat *string `json:"diskFormat"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Size in Gigabyte.
 	MinDiskSize *int64 `json:"minDiskSize,omitempty"`
@@ -41,9 +41,11 @@ type CreateImagePayload struct {
 	// Universally Unique Identifier (UUID).
 	Owner     *string `json:"owner,omitempty"`
 	Protected *bool   `json:"protected,omitempty"`
-	// Scope of an Image.
+	// Scope of an Image. Possible values: `public`, `local`, `projects`, `organization`.
 	Scope *string `json:"scope,omitempty"`
-	// The status of an image object.
+	// Size in bytes.
+	Size *int64 `json:"size,omitempty"`
+	// The status of an image object. Possible values: `AVAILABLE`, `CREATING`, `DEACTIVATED`, `DELETED`, `DELETING`, `ERROR`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
@@ -438,6 +440,38 @@ func (o *CreateImagePayload) SetScope(v *string) {
 	o.Scope = v
 }
 
+// GetSize returns the Size field value if set, zero value otherwise.
+func (o *CreateImagePayload) GetSize() *int64 {
+	if o == nil || IsNil(o.Size) {
+		var ret *int64
+		return ret
+	}
+	return o.Size
+}
+
+// GetSizeOk returns a tuple with the Size field value if set, nil otherwise
+// and a boolean to check if the value has been set.
+func (o *CreateImagePayload) GetSizeOk() (*int64, bool) {
+	if o == nil || IsNil(o.Size) {
+		return nil, false
+	}
+	return o.Size, true
+}
+
+// HasSize returns a boolean if a field has been set.
+func (o *CreateImagePayload) HasSize() bool {
+	if o != nil && !IsNil(o.Size) {
+		return true
+	}
+
+	return false
+}
+
+// SetSize gets a reference to the given int64 and assigns it to the Size field.
+func (o *CreateImagePayload) SetSize(v *int64) {
+	o.Size = v
+}
+
 // GetStatus returns the Status field value if set, zero value otherwise.
 func (o *CreateImagePayload) GetStatus() *string {
 	if o == nil || IsNil(o.Status) {
@@ -536,6 +570,9 @@ func (o CreateImagePayload) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Scope) {
 		toSerialize["scope"] = o.Scope
 	}
+	if !IsNil(o.Size) {
+		toSerialize["size"] = o.Size
+	}
 	if !IsNil(o.Status) {
 		toSerialize["status"] = o.Status
 	}
diff --git a/services/iaasalpha/model_create_key_pair_payload.go b/services/iaasalpha/model_create_key_pair_payload.go
index 5f72936c3..eb0c18119 100644
--- a/services/iaasalpha/model_create_key_pair_payload.go
+++ b/services/iaasalpha/model_create_key_pair_payload.go
@@ -24,7 +24,7 @@ type CreateKeyPairPayload struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Object that represents an SSH keypair MD5 fingerprint.
 	Fingerprint *string `json:"fingerprint,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name of an SSH keypair. Allowed characters are letters [a-zA-Z], digits [0-9] and the following special characters: [@._-].
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_create_network_area_payload.go b/services/iaasalpha/model_create_network_area_payload.go
index f44292e75..4e6fb0e9e 100644
--- a/services/iaasalpha/model_create_network_area_payload.go
+++ b/services/iaasalpha/model_create_network_area_payload.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &CreateNetworkAreaPayload{}
 type CreateNetworkAreaPayload struct {
 	// REQUIRED
 	AddressFamily *CreateAreaAddressFamily `json:"addressFamily"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
diff --git a/services/iaasalpha/model_create_network_payload.go b/services/iaasalpha/model_create_network_payload.go
index 4c59902cb..cd0a4f015 100644
--- a/services/iaasalpha/model_create_network_payload.go
+++ b/services/iaasalpha/model_create_network_payload.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &CreateNetworkPayload{}
 // CreateNetworkPayload Object that represents the request body for a network create.
 type CreateNetworkPayload struct {
 	AddressFamily *CreateNetworkAddressFamily `json:"addressFamily,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
diff --git a/services/iaasalpha/model_create_nic_payload.go b/services/iaasalpha/model_create_nic_payload.go
index 23928e931..411538807 100644
--- a/services/iaasalpha/model_create_nic_payload.go
+++ b/services/iaasalpha/model_create_nic_payload.go
@@ -29,7 +29,7 @@ type CreateNicPayload struct {
 	Ipv4 *string `json:"ipv4,omitempty"`
 	// Object that represents an IPv6 address.
 	Ipv6 *string `json:"ipv6,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Object that represents an MAC address.
 	Mac *string `json:"mac,omitempty"`
diff --git a/services/iaasalpha/model_create_protocol.go b/services/iaasalpha/model_create_protocol.go
index 4c2cb05d8..088a6e00c 100644
--- a/services/iaasalpha/model_create_protocol.go
+++ b/services/iaasalpha/model_create_protocol.go
@@ -88,7 +88,7 @@ func (src CreateProtocol) MarshalJSON() ([]byte, error) {
 		return json.Marshal(&src.String)
 	}
 
-	return nil, nil // no data in oneOf schemas
+	return []byte("{}"), nil // no data in oneOf schemas => empty JSON object
 }
 
 // Get the actual instance
diff --git a/services/iaasalpha/model_create_public_ip_payload.go b/services/iaasalpha/model_create_public_ip_payload.go
index 864b9f646..e64d5cc02 100644
--- a/services/iaasalpha/model_create_public_ip_payload.go
+++ b/services/iaasalpha/model_create_public_ip_payload.go
@@ -23,7 +23,7 @@ type CreatePublicIPPayload struct {
 	Id *string `json:"id,omitempty"`
 	// Object that represents an IP address.
 	Ip *string `json:"ip,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Universally Unique Identifier (UUID).
 	NetworkInterface *NullableString `json:"networkInterface,omitempty"`
diff --git a/services/iaasalpha/model_create_security_group_payload.go b/services/iaasalpha/model_create_security_group_payload.go
index 5de179ad7..44d82f292 100644
--- a/services/iaasalpha/model_create_security_group_payload.go
+++ b/services/iaasalpha/model_create_security_group_payload.go
@@ -26,7 +26,7 @@ type CreateSecurityGroupPayload struct {
 	Description *string `json:"description,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
diff --git a/services/iaasalpha/model_create_server_payload.go b/services/iaasalpha/model_create_server_payload.go
index 2bcf530f7..d3ff4b391 100644
--- a/services/iaasalpha/model_create_server_payload.go
+++ b/services/iaasalpha/model_create_server_payload.go
@@ -33,9 +33,9 @@ type CreateServerPayload struct {
 	Id *string `json:"id,omitempty"`
 	// Universally Unique Identifier (UUID).
 	ImageId *string `json:"imageId,omitempty"`
-	// The name for a General Object. Matches Names and also UUIDs.
+	// The name of an SSH keypair. Allowed characters are letters [a-zA-Z], digits [0-9] and the following special characters: [@._-].
 	KeypairName *string `json:"keypairName,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Date-time when resource was launched.
 	LaunchedAt *time.Time `json:"launchedAt,omitempty"`
@@ -49,13 +49,13 @@ type CreateServerPayload struct {
 	Networking *CreateServerPayloadNetworking `json:"networking,omitempty"`
 	// A list of networks attached to a server.
 	Nics *[]ServerNetwork `json:"nics,omitempty"`
-	// The power status of a server.
+	// The power status of a server. Possible values: `CRASHED`, `ERROR`, `RUNNING`, `STOPPED`.
 	PowerStatus *string `json:"powerStatus,omitempty"`
 	// A list of General Objects.
 	SecurityGroups *[]string `json:"securityGroups,omitempty"`
 	// A list of service account mails.
 	ServiceAccountMails *[]string `json:"serviceAccountMails,omitempty"`
-	// The status of a server object.
+	// The status of a server object. Possible values: `ACTIVE`, `BACKING-UP`, `CREATING`, `DEALLOCATED`, `DEALLOCATING`, `DELETED`, `DELETING`, `ERROR`, `INACTIVE`, `MIGRATING`, `REBOOT`, `REBOOTING`, `REBUILD`, `REBUILDING`, `RESCUE`, `RESCUING`, `RESIZING`, `RESTORING`, `SNAPSHOTTING`, `STARTING`, `STOPPING`, `UNRESCUING`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_create_server_payload_boot_volume.go b/services/iaasalpha/model_create_server_payload_boot_volume.go
index 633f932b9..87a17db6a 100644
--- a/services/iaasalpha/model_create_server_payload_boot_volume.go
+++ b/services/iaasalpha/model_create_server_payload_boot_volume.go
@@ -36,8 +36,6 @@ type CreateServerPayloadBootVolume struct {
 // will change when the set of required properties is changed
 func NewCreateServerPayloadBootVolume() *CreateServerPayloadBootVolume {
 	this := CreateServerPayloadBootVolume{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
@@ -46,8 +44,6 @@ func NewCreateServerPayloadBootVolume() *CreateServerPayloadBootVolume {
 // but it doesn't guarantee that properties required by API are set
 func NewCreateServerPayloadBootVolumeWithDefaults() *CreateServerPayloadBootVolume {
 	this := CreateServerPayloadBootVolume{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
diff --git a/services/iaasalpha/model_create_server_payload_networking.go b/services/iaasalpha/model_create_server_payload_networking.go
index afb41e771..88abe93bf 100644
--- a/services/iaasalpha/model_create_server_payload_networking.go
+++ b/services/iaasalpha/model_create_server_payload_networking.go
@@ -88,7 +88,7 @@ func (src CreateServerPayloadNetworking) MarshalJSON() ([]byte, error) {
 		return json.Marshal(&src.CreateServerNetworkingWithNics)
 	}
 
-	return nil, nil // no data in oneOf schemas
+	return []byte("{}"), nil // no data in oneOf schemas => empty JSON object
 }
 
 // Get the actual instance
diff --git a/services/iaasalpha/model_create_snapshot_payload.go b/services/iaasalpha/model_create_snapshot_payload.go
index b1d97900d..9454c8fbf 100644
--- a/services/iaasalpha/model_create_snapshot_payload.go
+++ b/services/iaasalpha/model_create_snapshot_payload.go
@@ -24,13 +24,13 @@ type CreateSnapshotPayload struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
 	// Size in Gigabyte.
 	Size *int64 `json:"size,omitempty"`
-	// The status of a snapshot object.
+	// The status of a snapshot object. Possible values: `AVAILABLE`, `BACKING-UP`, `CREATING`, `DELETED`, `DELETING`, `ERROR`, `RESTORING`, `UNMANAGING`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_create_virtual_ip_payload.go b/services/iaasalpha/model_create_virtual_ip_payload.go
index 86dde9cdb..64884ee62 100644
--- a/services/iaasalpha/model_create_virtual_ip_payload.go
+++ b/services/iaasalpha/model_create_virtual_ip_payload.go
@@ -23,7 +23,7 @@ type CreateVirtualIPPayload struct {
 	Id *string `json:"id,omitempty"`
 	// Object that represents an IP address.
 	Ip *string `json:"ip,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// A list of UUIDs.
 	Members *[]string `json:"members,omitempty"`
@@ -31,7 +31,7 @@ type CreateVirtualIPPayload struct {
 	Name *string `json:"name,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Network *string `json:"network,omitempty"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 }
 
diff --git a/services/iaasalpha/model_create_volume_payload.go b/services/iaasalpha/model_create_volume_payload.go
index 8b4963ddd..f02c264b6 100644
--- a/services/iaasalpha/model_create_volume_payload.go
+++ b/services/iaasalpha/model_create_volume_payload.go
@@ -32,7 +32,7 @@ type CreateVolumePayload struct {
 	// Universally Unique Identifier (UUID).
 	Id          *string      `json:"id,omitempty"`
 	ImageConfig *ImageConfig `json:"imageConfig,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
@@ -43,7 +43,7 @@ type CreateVolumePayload struct {
 	// Size in Gigabyte.
 	Size   *int64        `json:"size,omitempty"`
 	Source *VolumeSource `json:"source,omitempty"`
-	// The status of a volume object.
+	// The status of a volume object. Possible values: `ATTACHED`, `ATTACHING`, `AVAILABLE`, `AWAITING-TRANSFER`, `BACKING-UP`, `CREATING`, `DELETED`, `DELETING`, `DETACHING`, `DOWNLOADING`, `ERROR`, `ERROR_BACKING-UP`, `ERROR_DELETING`, `ERROR_RESIZING`, `ERROR_RESTORING-BACKUP`, `MAINTENANCE`, `RESERVED`, `RESIZING`, `RESTORING-BACKUP`, `RETYPING`, `UPLOADING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_image.go b/services/iaasalpha/model_image.go
index 0ec94b296..f0d9a1613 100644
--- a/services/iaasalpha/model_image.go
+++ b/services/iaasalpha/model_image.go
@@ -24,12 +24,12 @@ type Image struct {
 	Config   *ImageConfig   `json:"config,omitempty"`
 	// Date-time when resource was created.
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
-	// Object that represents a disk format.
+	// Object that represents a disk format. Possible values: `raw`, `qcow2`, `iso`.
 	// REQUIRED
 	DiskFormat *string `json:"diskFormat"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Size in Gigabyte.
 	MinDiskSize *int64 `json:"minDiskSize,omitempty"`
@@ -41,9 +41,11 @@ type Image struct {
 	// Universally Unique Identifier (UUID).
 	Owner     *string `json:"owner,omitempty"`
 	Protected *bool   `json:"protected,omitempty"`
-	// Scope of an Image.
+	// Scope of an Image. Possible values: `public`, `local`, `projects`, `organization`.
 	Scope *string `json:"scope,omitempty"`
-	// The status of an image object.
+	// Size in bytes.
+	Size *int64 `json:"size,omitempty"`
+	// The status of an image object. Possible values: `AVAILABLE`, `CREATING`, `DEACTIVATED`, `DELETED`, `DELETING`, `ERROR`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
@@ -438,6 +440,38 @@ func (o *Image) SetScope(v *string) {
 	o.Scope = v
 }
 
+// GetSize returns the Size field value if set, zero value otherwise.
+func (o *Image) GetSize() *int64 {
+	if o == nil || IsNil(o.Size) {
+		var ret *int64
+		return ret
+	}
+	return o.Size
+}
+
+// GetSizeOk returns a tuple with the Size field value if set, nil otherwise
+// and a boolean to check if the value has been set.
+func (o *Image) GetSizeOk() (*int64, bool) {
+	if o == nil || IsNil(o.Size) {
+		return nil, false
+	}
+	return o.Size, true
+}
+
+// HasSize returns a boolean if a field has been set.
+func (o *Image) HasSize() bool {
+	if o != nil && !IsNil(o.Size) {
+		return true
+	}
+
+	return false
+}
+
+// SetSize gets a reference to the given int64 and assigns it to the Size field.
+func (o *Image) SetSize(v *int64) {
+	o.Size = v
+}
+
 // GetStatus returns the Status field value if set, zero value otherwise.
 func (o *Image) GetStatus() *string {
 	if o == nil || IsNil(o.Status) {
@@ -536,6 +570,9 @@ func (o Image) ToMap() (map[string]interface{}, error) {
 	if !IsNil(o.Scope) {
 		toSerialize["scope"] = o.Scope
 	}
+	if !IsNil(o.Size) {
+		toSerialize["size"] = o.Size
+	}
 	if !IsNil(o.Status) {
 		toSerialize["status"] = o.Status
 	}
diff --git a/services/iaasalpha/model_image_config.go b/services/iaasalpha/model_image_config.go
index 4de9351eb..775590c0f 100644
--- a/services/iaasalpha/model_image_config.go
+++ b/services/iaasalpha/model_image_config.go
@@ -19,7 +19,9 @@ var _ MappedNullable = &ImageConfig{}
 
 // ImageConfig Properties to set hardware and scheduling settings for an Image.
 type ImageConfig struct {
-	// Enables the BIOS bootmenu.
+	// Represents CPU architecture. The default for new images is x86.
+	Architecture *string `json:"architecture,omitempty"`
+	// Enables the BIOS bootmenu. The default for new images is disabled.
 	BootMenu *bool `json:"bootMenu,omitempty"`
 	// Sets CDROM bus controller type.
 	CdromBus *NullableString `json:"cdromBus,omitempty"`
@@ -37,13 +39,13 @@ type ImageConfig struct {
 	RescueBus *NullableString `json:"rescueBus,omitempty"`
 	// Sets the device when the image is used as a rescue image.
 	RescueDevice *NullableString `json:"rescueDevice,omitempty"`
-	// Enables Secure Boot.
+	// Enables Secure Boot. The default for new images is disabled.
 	SecureBoot *bool `json:"secureBoot,omitempty"`
-	// Enables UEFI boot.
+	// Configure UEFI boot. The default for new images is enabled.
 	Uefi *bool `json:"uefi,omitempty"`
 	// Sets Graphic device model.
 	VideoModel *NullableString `json:"videoModel,omitempty"`
-	// Enables the use of VirtIO SCSI to provide block device access. By default instances use VirtIO Block.
+	// Enables the use of VirtIO SCSI to provide block device access. By default servers use VirtIO Block.
 	VirtioScsi *bool `json:"virtioScsi,omitempty"`
 }
 
@@ -53,14 +55,6 @@ type ImageConfig struct {
 // will change when the set of required properties is changed
 func NewImageConfig() *ImageConfig {
 	this := ImageConfig{}
-	var bootMenu bool = false
-	this.BootMenu = &bootMenu
-	var secureBoot bool = false
-	this.SecureBoot = &secureBoot
-	var uefi bool = false
-	this.Uefi = &uefi
-	var virtioScsi bool = false
-	this.VirtioScsi = &virtioScsi
 	return &this
 }
 
@@ -69,17 +63,41 @@ func NewImageConfig() *ImageConfig {
 // but it doesn't guarantee that properties required by API are set
 func NewImageConfigWithDefaults() *ImageConfig {
 	this := ImageConfig{}
-	var bootMenu bool = false
-	this.BootMenu = &bootMenu
-	var secureBoot bool = false
-	this.SecureBoot = &secureBoot
-	var uefi bool = false
-	this.Uefi = &uefi
-	var virtioScsi bool = false
-	this.VirtioScsi = &virtioScsi
 	return &this
 }
 
+// GetArchitecture returns the Architecture field value if set, zero value otherwise.
+func (o *ImageConfig) GetArchitecture() *string {
+	if o == nil || IsNil(o.Architecture) {
+		var ret *string
+		return ret
+	}
+	return o.Architecture
+}
+
+// GetArchitectureOk returns a tuple with the Architecture field value if set, nil otherwise
+// and a boolean to check if the value has been set.
+func (o *ImageConfig) GetArchitectureOk() (*string, bool) {
+	if o == nil || IsNil(o.Architecture) {
+		return nil, false
+	}
+	return o.Architecture, true
+}
+
+// HasArchitecture returns a boolean if a field has been set.
+func (o *ImageConfig) HasArchitecture() bool {
+	if o != nil && !IsNil(o.Architecture) {
+		return true
+	}
+
+	return false
+}
+
+// SetArchitecture gets a reference to the given string and assigns it to the Architecture field.
+func (o *ImageConfig) SetArchitecture(v *string) {
+	o.Architecture = v
+}
+
 // GetBootMenu returns the BootMenu field value if set, zero value otherwise.
 func (o *ImageConfig) GetBootMenu() *bool {
 	if o == nil || IsNil(o.BootMenu) {
@@ -658,6 +676,9 @@ func (o *ImageConfig) SetVirtioScsi(v *bool) {
 
 func (o ImageConfig) ToMap() (map[string]interface{}, error) {
 	toSerialize := map[string]interface{}{}
+	if !IsNil(o.Architecture) {
+		toSerialize["architecture"] = o.Architecture
+	}
 	if !IsNil(o.BootMenu) {
 		toSerialize["bootMenu"] = o.BootMenu
 	}
diff --git a/services/iaasalpha/model_keypair.go b/services/iaasalpha/model_keypair.go
index 1bf51147b..58ab4d02b 100644
--- a/services/iaasalpha/model_keypair.go
+++ b/services/iaasalpha/model_keypair.go
@@ -24,7 +24,7 @@ type Keypair struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Object that represents an SSH keypair MD5 fingerprint.
 	Fingerprint *string `json:"fingerprint,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name of an SSH keypair. Allowed characters are letters [a-zA-Z], digits [0-9] and the following special characters: [@._-].
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_network.go b/services/iaasalpha/model_network.go
index 1568848c3..b164a40ff 100644
--- a/services/iaasalpha/model_network.go
+++ b/services/iaasalpha/model_network.go
@@ -26,7 +26,7 @@ type Network struct {
 	Gateway *NullableString `json:"gateway,omitempty"`
 	// The gateway of a network. If not specified the first IP of the network will be assigned as the gateway. If 'null' is sent, then the network doesn't have a gateway.
 	Gatewayv6 *NullableString `json:"gatewayv6,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// REQUIRED
 	Name *string `json:"name"`
@@ -43,7 +43,7 @@ type Network struct {
 	PublicIp *string `json:"publicIp,omitempty"`
 	// Shows if the network is routed and therefore accessible from other networks.
 	Routed *bool `json:"routed,omitempty"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	// REQUIRED
 	State *string `json:"state"`
 	// Date-time when resource was last updated.
diff --git a/services/iaasalpha/model_network_area.go b/services/iaasalpha/model_network_area.go
index e0916750b..ea3063d0a 100644
--- a/services/iaasalpha/model_network_area.go
+++ b/services/iaasalpha/model_network_area.go
@@ -26,14 +26,14 @@ type NetworkArea struct {
 	// Date-time when resource was created.
 	CreatedAt *time.Time       `json:"createdAt,omitempty"`
 	Ipv4      *NetworkAreaIPv4 `json:"ipv4,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// REQUIRED
 	Name *string `json:"name"`
 	// The amount of projects currently referencing a specific area.
 	// REQUIRED
 	ProjectCount *int64 `json:"projectCount"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	// REQUIRED
 	State *string `json:"state"`
 	// Date-time when resource was last updated.
diff --git a/services/iaasalpha/model_nic.go b/services/iaasalpha/model_nic.go
index 5a39fa1e5..97afbe9dc 100644
--- a/services/iaasalpha/model_nic.go
+++ b/services/iaasalpha/model_nic.go
@@ -29,7 +29,7 @@ type NIC struct {
 	Ipv4 *string `json:"ipv4,omitempty"`
 	// Object that represents an IPv6 address.
 	Ipv6 *string `json:"ipv6,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Object that represents an MAC address.
 	Mac *string `json:"mac,omitempty"`
diff --git a/services/iaasalpha/model_partial_update_network_area_payload.go b/services/iaasalpha/model_partial_update_network_area_payload.go
index 1159860cd..56e03d65c 100644
--- a/services/iaasalpha/model_partial_update_network_area_payload.go
+++ b/services/iaasalpha/model_partial_update_network_area_payload.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &PartialUpdateNetworkAreaPayload{}
 // PartialUpdateNetworkAreaPayload struct for PartialUpdateNetworkAreaPayload
 type PartialUpdateNetworkAreaPayload struct {
 	AddressFamily *UpdateAreaAddressFamily `json:"addressFamily,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_partial_update_network_payload.go b/services/iaasalpha/model_partial_update_network_payload.go
index d00c5dfc9..ae489575d 100644
--- a/services/iaasalpha/model_partial_update_network_payload.go
+++ b/services/iaasalpha/model_partial_update_network_payload.go
@@ -20,7 +20,7 @@ var _ MappedNullable = &PartialUpdateNetworkPayload{}
 // PartialUpdateNetworkPayload Object that represents the request body for a network update.
 type PartialUpdateNetworkPayload struct {
 	AddressFamily *UpdateNetworkAddressFamily `json:"addressFamily,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_project.go b/services/iaasalpha/model_project.go
index dfb9aadae..817aa6151 100644
--- a/services/iaasalpha/model_project.go
+++ b/services/iaasalpha/model_project.go
@@ -30,7 +30,7 @@ type Project struct {
 	// Universally Unique Identifier (UUID).
 	// REQUIRED
 	ProjectId *string `json:"projectId"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	// REQUIRED
 	State *string `json:"state"`
 	// Date-time when resource was last updated.
diff --git a/services/iaasalpha/model_protocol.go b/services/iaasalpha/model_protocol.go
index aa423d062..8a92dfc9e 100644
--- a/services/iaasalpha/model_protocol.go
+++ b/services/iaasalpha/model_protocol.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &Protocol{}
 
 // Protocol The schema for a protocol of a security group rule.
 type Protocol struct {
-	// The protocol name which the rule should match.
+	// The protocol name which the rule should match. Possible values: `ah`, `dccp`, `egp`, `esp`, `gre`, `icmp`, `igmp`, `ipip`, `ipv6-encap`, `ipv6-frag`, `ipv6-icmp`, `ipv6-nonxt`, `ipv6-opts`, `ipv6-route`, `ospf`, `pgm`, `rsvp`, `sctp`, `tcp`, `udp`, `udplite`, `vrrp`.
 	Name *string `json:"name,omitempty"`
 	// The protocol number which the rule should match.
 	Number *int64 `json:"number,omitempty"`
diff --git a/services/iaasalpha/model_public_ip.go b/services/iaasalpha/model_public_ip.go
index 73a2b3f78..45e972c4f 100644
--- a/services/iaasalpha/model_public_ip.go
+++ b/services/iaasalpha/model_public_ip.go
@@ -23,7 +23,7 @@ type PublicIp struct {
 	Id *string `json:"id,omitempty"`
 	// Object that represents an IP address.
 	Ip *string `json:"ip,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Universally Unique Identifier (UUID).
 	NetworkInterface *NullableString `json:"networkInterface,omitempty"`
diff --git a/services/iaasalpha/model_request.go b/services/iaasalpha/model_request.go
index 59f3d87a7..03c0885b6 100644
--- a/services/iaasalpha/model_request.go
+++ b/services/iaasalpha/model_request.go
@@ -20,18 +20,18 @@ var _ MappedNullable = &Request{}
 // Request Object that represents a request.
 type Request struct {
 	Details *string `json:"details,omitempty"`
-	// Object that represents a resource action.
+	// Object that represents a resource action. Possible values: `CREATE`, `DELETE`, `UPDATE`.
 	// REQUIRED
 	RequestAction *string `json:"requestAction"`
 	// Identifier (ID) representing a single API request.
 	// REQUIRED
 	RequestId *string `json:"requestId"`
-	// Object that represents a resource type.
+	// Object that represents a resource type. Possible values: `BACKUP`, `IMAGE`, `NETWORK`, `NETWORKAREA`, `NIC`, `PROJECT`, `ROUTE`, `SERVER`, `SERVICEACCOUNT`, `SNAPSHOT`, `VIRTUALIP`, `VOLUME`.
 	// REQUIRED
 	RequestType *string `json:"requestType"`
 	// REQUIRED
 	Resources *[]RequestResource `json:"resources"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	// REQUIRED
 	Status *string `json:"status"`
 }
diff --git a/services/iaasalpha/model_request_resource.go b/services/iaasalpha/model_request_resource.go
index f2a408f05..502bc8095 100644
--- a/services/iaasalpha/model_request_resource.go
+++ b/services/iaasalpha/model_request_resource.go
@@ -22,10 +22,10 @@ type RequestResource struct {
 	// Universally Unique Identifier (UUID).
 	// REQUIRED
 	Id *string `json:"id"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	// REQUIRED
 	Status *string `json:"status"`
-	// Object that represents a resource type.
+	// Object that represents a resource type. Possible values: `BACKUP`, `IMAGE`, `NETWORK`, `NETWORKAREA`, `NIC`, `PROJECT`, `ROUTE`, `SERVER`, `SERVICEACCOUNT`, `SNAPSHOT`, `VIRTUALIP`, `VOLUME`.
 	// REQUIRED
 	Type *string `json:"type"`
 }
diff --git a/services/iaasalpha/model_route.go b/services/iaasalpha/model_route.go
index fcb130c19..69fdd08e9 100644
--- a/services/iaasalpha/model_route.go
+++ b/services/iaasalpha/model_route.go
@@ -22,7 +22,7 @@ var _ MappedNullable = &Route{}
 type Route struct {
 	// Date-time when resource was created.
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Object that represents an IP address.
 	// REQUIRED
diff --git a/services/iaasalpha/model_security_group.go b/services/iaasalpha/model_security_group.go
index c982f86b8..8dd857831 100644
--- a/services/iaasalpha/model_security_group.go
+++ b/services/iaasalpha/model_security_group.go
@@ -26,7 +26,7 @@ type SecurityGroup struct {
 	Description *string `json:"description,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
diff --git a/services/iaasalpha/model_server.go b/services/iaasalpha/model_server.go
index 6ab723241..eeff24951 100644
--- a/services/iaasalpha/model_server.go
+++ b/services/iaasalpha/model_server.go
@@ -33,9 +33,9 @@ type Server struct {
 	Id *string `json:"id,omitempty"`
 	// Universally Unique Identifier (UUID).
 	ImageId *string `json:"imageId,omitempty"`
-	// The name for a General Object. Matches Names and also UUIDs.
+	// The name of an SSH keypair. Allowed characters are letters [a-zA-Z], digits [0-9] and the following special characters: [@._-].
 	KeypairName *string `json:"keypairName,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Date-time when resource was launched.
 	LaunchedAt *time.Time `json:"launchedAt,omitempty"`
@@ -49,13 +49,13 @@ type Server struct {
 	Networking *CreateServerPayloadNetworking `json:"networking,omitempty"`
 	// A list of networks attached to a server.
 	Nics *[]ServerNetwork `json:"nics,omitempty"`
-	// The power status of a server.
+	// The power status of a server. Possible values: `CRASHED`, `ERROR`, `RUNNING`, `STOPPED`.
 	PowerStatus *string `json:"powerStatus,omitempty"`
 	// A list of General Objects.
 	SecurityGroups *[]string `json:"securityGroups,omitempty"`
 	// A list of service account mails.
 	ServiceAccountMails *[]string `json:"serviceAccountMails,omitempty"`
-	// The status of a server object.
+	// The status of a server object. Possible values: `ACTIVE`, `BACKING-UP`, `CREATING`, `DEALLOCATED`, `DEALLOCATING`, `DELETED`, `DELETING`, `ERROR`, `INACTIVE`, `MIGRATING`, `REBOOT`, `REBOOTING`, `REBUILD`, `REBUILDING`, `RESCUE`, `RESCUING`, `RESIZING`, `RESTORING`, `SNAPSHOTTING`, `STARTING`, `STOPPING`, `UNRESCUING`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_server_network.go b/services/iaasalpha/model_server_network.go
index 4d02925a2..eacba3ff4 100644
--- a/services/iaasalpha/model_server_network.go
+++ b/services/iaasalpha/model_server_network.go
@@ -67,8 +67,6 @@ func NewServerNetwork(mac *string, networkId *string, networkName *string, nicId
 // but it doesn't guarantee that properties required by API are set
 func NewServerNetworkWithDefaults() *ServerNetwork {
 	this := ServerNetwork{}
-	var nicSecurity bool = true
-	this.NicSecurity = &nicSecurity
 	return &this
 }
 
diff --git a/services/iaasalpha/model_snapshot.go b/services/iaasalpha/model_snapshot.go
index 0a0f9569e..755884e89 100644
--- a/services/iaasalpha/model_snapshot.go
+++ b/services/iaasalpha/model_snapshot.go
@@ -24,13 +24,13 @@ type Snapshot struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
 	// Size in Gigabyte.
 	Size *int64 `json:"size,omitempty"`
-	// The status of a snapshot object.
+	// The status of a snapshot object. Possible values: `AVAILABLE`, `BACKING-UP`, `CREATING`, `DELETED`, `DELETING`, `ERROR`, `RESTORING`, `UNMANAGING`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_update_attached_volume_payload.go b/services/iaasalpha/model_update_attached_volume_payload.go
index 40a2405e3..081a0da0f 100644
--- a/services/iaasalpha/model_update_attached_volume_payload.go
+++ b/services/iaasalpha/model_update_attached_volume_payload.go
@@ -33,8 +33,6 @@ type UpdateAttachedVolumePayload struct {
 // will change when the set of required properties is changed
 func NewUpdateAttachedVolumePayload() *UpdateAttachedVolumePayload {
 	this := UpdateAttachedVolumePayload{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
@@ -43,8 +41,6 @@ func NewUpdateAttachedVolumePayload() *UpdateAttachedVolumePayload {
 // but it doesn't guarantee that properties required by API are set
 func NewUpdateAttachedVolumePayloadWithDefaults() *UpdateAttachedVolumePayload {
 	this := UpdateAttachedVolumePayload{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
diff --git a/services/iaasalpha/model_update_backup_payload.go b/services/iaasalpha/model_update_backup_payload.go
index ad09b2c35..c8fd21c66 100644
--- a/services/iaasalpha/model_update_backup_payload.go
+++ b/services/iaasalpha/model_update_backup_payload.go
@@ -26,7 +26,7 @@ type UpdateBackupPayload struct {
 	CreatedAt *time.Time `json:"createdAt,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Id *string `json:"id,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
@@ -34,7 +34,7 @@ type UpdateBackupPayload struct {
 	Size *int64 `json:"size,omitempty"`
 	// Universally Unique Identifier (UUID).
 	SnapshotId *string `json:"snapshotId,omitempty"`
-	// The status of a backup object.
+	// The status of a backup object. Possible values: `AVAILABLE`, `CREATING`, `DELETED`, `DELETING`, `ERROR`, `RESTORING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_update_image_payload.go b/services/iaasalpha/model_update_image_payload.go
index 9f82ca103..ad3bb8b05 100644
--- a/services/iaasalpha/model_update_image_payload.go
+++ b/services/iaasalpha/model_update_image_payload.go
@@ -20,9 +20,9 @@ var _ MappedNullable = &UpdateImagePayload{}
 // UpdateImagePayload Object that represents an update request body of an Image.
 type UpdateImagePayload struct {
 	Config *ImageConfig `json:"config,omitempty"`
-	// Object that represents a disk format.
+	// Object that represents a disk format. Possible values: `raw`, `qcow2`, `iso`.
 	DiskFormat *string `json:"diskFormat,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Size in Gigabyte.
 	MinDiskSize *int64 `json:"minDiskSize,omitempty"`
diff --git a/services/iaasalpha/model_update_key_pair_payload.go b/services/iaasalpha/model_update_key_pair_payload.go
index 80768d2d0..61f1c2fc9 100644
--- a/services/iaasalpha/model_update_key_pair_payload.go
+++ b/services/iaasalpha/model_update_key_pair_payload.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &UpdateKeyPairPayload{}
 
 // UpdateKeyPairPayload Object that represents an update request body of a public key of an SSH keypair.
 type UpdateKeyPairPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 }
 
diff --git a/services/iaasalpha/model_update_nic_payload.go b/services/iaasalpha/model_update_nic_payload.go
index 978e429e9..0879f24a0 100644
--- a/services/iaasalpha/model_update_nic_payload.go
+++ b/services/iaasalpha/model_update_nic_payload.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &UpdateNicPayload{}
 type UpdateNicPayload struct {
 	// A list of IPs or CIDR notations.
 	AllowedAddresses *[]AllowedAddressesInner `json:"allowedAddresses,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_update_public_ip_payload.go b/services/iaasalpha/model_update_public_ip_payload.go
index ee58e8131..184276f6c 100644
--- a/services/iaasalpha/model_update_public_ip_payload.go
+++ b/services/iaasalpha/model_update_public_ip_payload.go
@@ -23,7 +23,7 @@ type UpdatePublicIPPayload struct {
 	Id *string `json:"id,omitempty"`
 	// Object that represents an IP address.
 	Ip *string `json:"ip,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// Universally Unique Identifier (UUID).
 	NetworkInterface *NullableString `json:"networkInterface,omitempty"`
diff --git a/services/iaasalpha/model_update_security_group_payload.go b/services/iaasalpha/model_update_security_group_payload.go
index 8358df1e5..0d98de5c7 100644
--- a/services/iaasalpha/model_update_security_group_payload.go
+++ b/services/iaasalpha/model_update_security_group_payload.go
@@ -21,7 +21,7 @@ var _ MappedNullable = &UpdateSecurityGroupPayload{}
 type UpdateSecurityGroupPayload struct {
 	// Description Object. Allows string up to 127 Characters.
 	Description *string `json:"description,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_update_server_payload.go b/services/iaasalpha/model_update_server_payload.go
index a0be49e13..53985e1ab 100644
--- a/services/iaasalpha/model_update_server_payload.go
+++ b/services/iaasalpha/model_update_server_payload.go
@@ -19,9 +19,9 @@ var _ MappedNullable = &UpdateServerPayload{}
 
 // UpdateServerPayload Object that represents an update request body of a server.
 type UpdateServerPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
-	// The name for a General Object. Matches Names and also UUIDs.
+	// The name for a Server.
 	Name *string `json:"name,omitempty"`
 }
 
diff --git a/services/iaasalpha/model_update_snapshot_payload.go b/services/iaasalpha/model_update_snapshot_payload.go
index 477538baa..53fbf8268 100644
--- a/services/iaasalpha/model_update_snapshot_payload.go
+++ b/services/iaasalpha/model_update_snapshot_payload.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &UpdateSnapshotPayload{}
 
 // UpdateSnapshotPayload Object that represents an update request body of a snapshot.
 type UpdateSnapshotPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
diff --git a/services/iaasalpha/model_update_virtual_ip_payload.go b/services/iaasalpha/model_update_virtual_ip_payload.go
index 9a3abee54..1ab164095 100644
--- a/services/iaasalpha/model_update_virtual_ip_payload.go
+++ b/services/iaasalpha/model_update_virtual_ip_payload.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &UpdateVirtualIPPayload{}
 
 // UpdateVirtualIPPayload Object that represents a virtual IP update request body.
 type UpdateVirtualIPPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// A list of UUIDs.
 	Members *[]string `json:"members,omitempty"`
diff --git a/services/iaasalpha/model_update_volume_payload.go b/services/iaasalpha/model_update_volume_payload.go
index 92e37fe9e..6e5765c60 100644
--- a/services/iaasalpha/model_update_volume_payload.go
+++ b/services/iaasalpha/model_update_volume_payload.go
@@ -24,7 +24,7 @@ type UpdateVolumePayload struct {
 	// Description Object. Allows string up to 127 Characters.
 	Description *string      `json:"description,omitempty"`
 	ImageConfig *ImageConfig `json:"imageConfig,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
@@ -36,8 +36,6 @@ type UpdateVolumePayload struct {
 // will change when the set of required properties is changed
 func NewUpdateVolumePayload() *UpdateVolumePayload {
 	this := UpdateVolumePayload{}
-	var bootable bool = false
-	this.Bootable = &bootable
 	return &this
 }
 
@@ -46,8 +44,6 @@ func NewUpdateVolumePayload() *UpdateVolumePayload {
 // but it doesn't guarantee that properties required by API are set
 func NewUpdateVolumePayloadWithDefaults() *UpdateVolumePayload {
 	this := UpdateVolumePayload{}
-	var bootable bool = false
-	this.Bootable = &bootable
 	return &this
 }
 
diff --git a/services/iaasalpha/model_v1alpha1_update_route_of_area_payload.go b/services/iaasalpha/model_v1alpha1_update_route_of_area_payload.go
index 96aadb5aa..2d7db6dab 100644
--- a/services/iaasalpha/model_v1alpha1_update_route_of_area_payload.go
+++ b/services/iaasalpha/model_v1alpha1_update_route_of_area_payload.go
@@ -19,7 +19,7 @@ var _ MappedNullable = &V1alpha1UpdateRouteOfAreaPayload{}
 
 // V1alpha1UpdateRouteOfAreaPayload Object that represents the request body for a route update.
 type V1alpha1UpdateRouteOfAreaPayload struct {
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 }
 
diff --git a/services/iaasalpha/model_virtual_ip.go b/services/iaasalpha/model_virtual_ip.go
index 42a9d6df1..cd6e44d82 100644
--- a/services/iaasalpha/model_virtual_ip.go
+++ b/services/iaasalpha/model_virtual_ip.go
@@ -23,7 +23,7 @@ type VirtualIp struct {
 	Id *string `json:"id,omitempty"`
 	// Object that represents an IP address.
 	Ip *string `json:"ip,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// A list of UUIDs.
 	Members *[]string `json:"members,omitempty"`
@@ -31,7 +31,7 @@ type VirtualIp struct {
 	Name *string `json:"name,omitempty"`
 	// Universally Unique Identifier (UUID).
 	Network *string `json:"network,omitempty"`
-	// The state of a resource object.
+	// The state of a resource object. Possible values: `CREATING`, `CREATED`, `DELETING`, `DELETED`, `FAILED`, `UPDATED`, `UPDATING`.
 	Status *string `json:"status,omitempty"`
 }
 
diff --git a/services/iaasalpha/model_volume.go b/services/iaasalpha/model_volume.go
index 131fc24be..e9fff4977 100644
--- a/services/iaasalpha/model_volume.go
+++ b/services/iaasalpha/model_volume.go
@@ -32,7 +32,7 @@ type Volume struct {
 	// Universally Unique Identifier (UUID).
 	Id          *string      `json:"id,omitempty"`
 	ImageConfig *ImageConfig `json:"imageConfig,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	Name *string `json:"name,omitempty"`
@@ -43,7 +43,7 @@ type Volume struct {
 	// Size in Gigabyte.
 	Size   *int64        `json:"size,omitempty"`
 	Source *VolumeSource `json:"source,omitempty"`
-	// The status of a volume object.
+	// The status of a volume object. Possible values: `ATTACHED`, `ATTACHING`, `AVAILABLE`, `AWAITING-TRANSFER`, `BACKING-UP`, `CREATING`, `DELETED`, `DELETING`, `DETACHING`, `DOWNLOADING`, `ERROR`, `ERROR_BACKING-UP`, `ERROR_DELETING`, `ERROR_RESIZING`, `ERROR_RESTORING-BACKUP`, `MAINTENANCE`, `RESERVED`, `RESIZING`, `RESTORING-BACKUP`, `RETYPING`, `UPLOADING`.
 	Status *string `json:"status,omitempty"`
 	// Date-time when resource was last updated.
 	UpdatedAt *time.Time `json:"updatedAt,omitempty"`
diff --git a/services/iaasalpha/model_volume_attachment.go b/services/iaasalpha/model_volume_attachment.go
index ac88398fb..3e9ecbb5e 100644
--- a/services/iaasalpha/model_volume_attachment.go
+++ b/services/iaasalpha/model_volume_attachment.go
@@ -33,8 +33,6 @@ type VolumeAttachment struct {
 // will change when the set of required properties is changed
 func NewVolumeAttachment() *VolumeAttachment {
 	this := VolumeAttachment{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
@@ -43,8 +41,6 @@ func NewVolumeAttachment() *VolumeAttachment {
 // but it doesn't guarantee that properties required by API are set
 func NewVolumeAttachmentWithDefaults() *VolumeAttachment {
 	this := VolumeAttachment{}
-	var deleteOnTermination bool = false
-	this.DeleteOnTermination = &deleteOnTermination
 	return &this
 }
 
diff --git a/services/iaasalpha/model_volume_performance_class.go b/services/iaasalpha/model_volume_performance_class.go
index 94c43568b..3fdc5b474 100644
--- a/services/iaasalpha/model_volume_performance_class.go
+++ b/services/iaasalpha/model_volume_performance_class.go
@@ -23,7 +23,7 @@ type VolumePerformanceClass struct {
 	Description *string `json:"description,omitempty"`
 	// Input/Output Operations per second.
 	Iops *int64 `json:"iops,omitempty"`
-	// Object that represents the labels of an object.
+	// Object that represents the labels of an object. Regex for keys: `^[a-z]((-|_|[a-z0-9])){0,62}$`. Regex for values: `^(-|_|[a-z0-9]){0,63}$`.
 	Labels *map[string]interface{} `json:"labels,omitempty"`
 	// The name for a General Object. Matches Names and also UUIDs.
 	// REQUIRED
diff --git a/services/iaasalpha/model_volume_source.go b/services/iaasalpha/model_volume_source.go
index 7d5a9f003..a39540466 100644
--- a/services/iaasalpha/model_volume_source.go
+++ b/services/iaasalpha/model_volume_source.go
@@ -22,7 +22,7 @@ type VolumeSource struct {
 	// Universally Unique Identifier (UUID).
 	// REQUIRED
 	Id *string `json:"id"`
-	// The source types of a volume.
+	// The source types of a volume. Possible values: `image`, `volume`, `snapshot`, `backup`.
 	// REQUIRED
 	Type *string `json:"type"`
 }