diff --git a/streamerbot/3.api/2.triggers/twitch/chat/message.md b/streamerbot/3.api/2.triggers/twitch/chat/message.md
index f25f9552..6194e71d 100644
--- a/streamerbot/3.api/2.triggers/twitch/chat/message.md
+++ b/streamerbot/3.api/2.triggers/twitch/chat/message.md
@@ -3,8 +3,15 @@ title: Chat Message
 description: Trigger for a Twitch Chat Message
 version: 0.0.50
 twitchService: Chat Client
-variables: []
+variables:
+  - name: internal
+    type: boolean
+    description: |
+      If message was sent via Streamer.bot sub-action or C#
+
+      Messages from Streamer.bot Chat are not considered as internal since `0.2.5`
+    value: True / False
 commonVariables:
   - TwitchUser
   - TwitchChat
----
\ No newline at end of file
+---