diff --git a/site/content/integrate/reference/message-attachments/_index.md b/site/content/integrate/reference/message-attachments/_index.md
index 6537570866..80b3cc1527 100644
--- a/site/content/integrate/reference/message-attachments/_index.md
+++ b/site/content/integrate/reference/message-attachments/_index.md
@@ -176,3 +176,13 @@ Content-Length: 192
 
 {"text":"Test message #testing", "attachments": [{"pretext": "This is the attachment pretext.","text": "This is the attachment text."}]}
 ```
+
+## Trigger AI agent responses
+
+To have Mattermost AI agents respond to a post created by an integration, set the `activate_ai` property to `"true"` in the post's `props` field. 
+
+```json
+    "props": {
+        "activate_ai": "true"
+    }
+```