Update CreateEvent to include new disclaimer (#2994)

Co-authored-by: ci.datadog-api-spec <[email protected]>

Author: api-clients-generation-pipeline[bot]

.generated-info

@@ -1,4 +1,4 @@
 {
-  "spec_repo_commit": "36ebfd8",
-  "generated": "2025-07-14 17:56:07.454"
+  "spec_repo_commit": "bb240c6",
+  "generated": "2025-07-14 18:17:38.592"
 }

.generator/schemas/v2/openapi.yaml

@@ -48675,9 +48675,11 @@ paths:
         permissions:
         - events_read
     post:
-      description: "This endpoint allows you to publish events.\n\n\u2705 **Only events
-        with the `change` or `alert` category** are in General Availability. For change
-        events, see [Change Tracking](https://docs.datadoghq.com/change_tracking)
+      description: "This endpoint allows you to publish events.\n\n**Note:** To utilize
+        this endpoint with our client libraries, please ensure you are using the latest
+        version released on or after July 1, 2025. Earlier versions do not support
+        this functionality.\n\n\u2705 **Only events with the `change` or `alert` category**
+        are in General Availability. For change events, see [Change Tracking](https://docs.datadoghq.com/change_tracking)
         for more details.\n\n\u274C For use cases involving other event categories,
         use the V1 endpoint or reach out to [support](https://www.datadoghq.com/support/).\n\n\u274C
         Notifications are not yet supported for events sent to this endpoint. Use

src/main/java/com/datadog/api/client/v2/api/EventsApi.java

@@ -86,6 +86,10 @@ public CompletableFuture<EventCreateResponsePayload> createEventAsync(
   /**
    * This endpoint allows you to publish events.
    *
+   * <p><strong>Note:</strong> To utilize this endpoint with our client libraries, please ensure you
+   * are using the latest version released on or after July 1, 2025. Earlier versions do not support
+   * this functionality.
+   *
    * <p>✅ <strong>Only events with the <code>change</code> or <code>alert</code> category</strong>
    * are in General Availability. For change events, see <a
    * href="https://docs.datadoghq.com/change_tracking">Change Tracking</a> for more details.