OneSignal · sherwinski · Apr 17, 2026 · Apr 17, 2026
diff --git a/Cargo.toml b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "onesignal-rust-api"
-version = "5.3.0"
+version = "5.4.0"
 authors = ["devrel@onesignal.com"]
 edition = "2018"
 description = "A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com"

diff --git a/README.md b/README.md
@@ -4,15 +4,15 @@ A powerful way to send personalized messages at scale and build effective custom
 
 For more information, please visit [https://onesignal.com](https://onesignal.com)
 
-- API version: 5.3.0
-- Package version: 5.3.0
+- API version: 5.4.0
+- Package version: 5.4.0
 
 ## Installation
 
 Add to `Cargo.toml` under `[dependencies]`:
 
 ```toml
-onesignal-rust-api = "5.3.0"
+onesignal-rust-api = "5.4.0"
 ```
 
 ## Configuration

diff --git a/docs/CreateTemplateRequest.md b/docs/CreateTemplateRequest.md
@@ -7,6 +7,8 @@ Name | Type | Description | Notes
 **app_id** | **String** | Your OneSignal App ID in UUID v4 format. | 
 **name** | **String** | Name of the template. | 
 **contents** | [**crate::models::LanguageStringMap**](LanguageStringMap.md) |  | 
+**headings** | Option<[**crate::models::LanguageStringMap**](LanguageStringMap.md)> |  | [optional]
+**subtitle** | Option<[**crate::models::LanguageStringMap**](LanguageStringMap.md)> |  | [optional]
 **is_email** | Option<**bool**> | Set true for an Email template. | [optional]
 **email_subject** | Option<**String**> | Subject of the email. | [optional]
 **email_body** | Option<**String**> | Body of the email (HTML supported). | [optional]

diff --git a/docs/UpdateTemplateRequest.md b/docs/UpdateTemplateRequest.md
@@ -6,6 +6,8 @@ Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **name** | Option<**String**> | Updated name of the template. | [optional]
 **contents** | Option<[**crate::models::LanguageStringMap**](LanguageStringMap.md)> |  | [optional]
+**headings** | Option<[**crate::models::LanguageStringMap**](LanguageStringMap.md)> |  | [optional]
+**subtitle** | Option<[**crate::models::LanguageStringMap**](LanguageStringMap.md)> |  | [optional]
 **is_email** | Option<**bool**> | Set true for an Email template. | [optional]
 **email_subject** | Option<**String**> | Subject of the email. | [optional]
 **email_body** | Option<**String**> | Body of the email (HTML supported). | [optional]

diff --git a/src/apis/configuration.rs b/src/apis/configuration.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */
@@ -45,7 +45,7 @@ impl Default for Configuration {
     fn default() -> Self {
         Configuration {
             base_path: "https://api.onesignal.com".to_owned(),
-            user_agent: Some("OpenAPI-Generator/5.3.0/rust".to_owned()),
+            user_agent: Some("OpenAPI-Generator/5.4.0/rust".to_owned()),
             client: reqwest::Client::new(),
             basic_auth: None,
             oauth_access_token: None,

diff --git a/src/apis/default_api.rs b/src/apis/default_api.rs
diff --git a/src/models/api_key_token.rs b/src/models/api_key_token.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/api_key_tokens_list_response.rs b/src/models/api_key_tokens_list_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/app.rs b/src/models/app.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/basic_notification.rs b/src/models/basic_notification.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/basic_notification_all_of.rs b/src/models/basic_notification_all_of.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/basic_notification_all_of_android_background_layout.rs b/src/models/basic_notification_all_of_android_background_layout.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/button.rs b/src/models/button.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/copy_template_request.rs b/src/models/copy_template_request.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_api_key_request.rs b/src/models/create_api_key_request.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_api_key_response.rs b/src/models/create_api_key_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_notification_success_response.rs b/src/models/create_notification_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_segment_conflict_response.rs b/src/models/create_segment_conflict_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_segment_success_response.rs b/src/models/create_segment_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_template_request.rs b/src/models/create_template_request.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */
@@ -21,6 +21,10 @@ pub struct CreateTemplateRequest {
     pub name: String,
     #[serde(rename = "contents")]
     pub contents: Box<crate::models::LanguageStringMap>,
+    #[serde(rename = "headings", skip_serializing_if = "Option::is_none")]
+    pub headings: Option<Box<crate::models::LanguageStringMap>>,
+    #[serde(rename = "subtitle", skip_serializing_if = "Option::is_none")]
+    pub subtitle: Option<Box<crate::models::LanguageStringMap>>,
     /// Set true for an Email template.
     #[serde(rename = "isEmail", skip_serializing_if = "Option::is_none")]
     pub is_email: Option<bool>,
@@ -44,6 +48,8 @@ impl CreateTemplateRequest {
             app_id,
             name,
             contents: Box::new(contents),
+            headings: None,
+            subtitle: None,
             is_email: None,
             email_subject: None,
             email_body: None,

diff --git a/src/models/create_user_conflict_response.rs b/src/models/create_user_conflict_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_user_conflict_response_errors_inner.rs b/src/models/create_user_conflict_response_errors_inner.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/create_user_conflict_response_errors_items_meta.rs b/src/models/create_user_conflict_response_errors_items_meta.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/custom_event.rs b/src/models/custom_event.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/custom_events_request.rs b/src/models/custom_events_request.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/delivery_data.rs b/src/models/delivery_data.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/export_events_success_response.rs b/src/models/export_events_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/export_subscriptions_request_body.rs b/src/models/export_subscriptions_request_body.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/export_subscriptions_success_response.rs b/src/models/export_subscriptions_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/filter.rs b/src/models/filter.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/filter_expression.rs b/src/models/filter_expression.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/generic_error.rs b/src/models/generic_error.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/generic_success_bool_response.rs b/src/models/generic_success_bool_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/get_notification_history_request_body.rs b/src/models/get_notification_history_request_body.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/get_segments_success_response.rs b/src/models/get_segments_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/language_string_map.rs b/src/models/language_string_map.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/notification.rs b/src/models/notification.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/notification_all_of.rs b/src/models/notification_all_of.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/notification_history_success_response.rs b/src/models/notification_history_success_response.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/notification_slice.rs b/src/models/notification_slice.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */

diff --git a/src/models/notification_target.rs b/src/models/notification_target.rs
@@ -3,7 +3,7 @@
  *
  * A powerful way to send personalized messages at scale and build effective customer engagement strategies. Learn more at onesignal.com
  *
- * The version of the OpenAPI document: 5.3.0
+ * The version of the OpenAPI document: 5.4.0
  * Contact: devrel@onesignal.com
  * Generated by: https://openapi-generator.tech
  */