Merge pull request #274264 from spelluru/patch-59

Azure API Center as a source in preview

Author: prmerger-automator[bot]

articles/event-grid/event-schema-api-center.md

@@ -7,10 +7,13 @@ author: dlepow
 ms.author: danlep
 ---
 
-# Azure API Center as an Event Grid source
+# Azure API Center as an Event Grid source (Preview)
 
 This article provides the properties and schema for Azure API Center events. For an introduction to event schemas, see [Azure Event Grid event schema](event-schema.md). 
 
+> [!NOTE]
+> This feature is currently in preview.
+
 ## Available event types
 These events are triggered when a client adds or updates an API definition.