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channel_topic message

A channel topic was updated

Facts

Required Scopes
No scopes required!
Compatible APIs

Usage info​

This example includes both the event wrapper and the event structure for the channel_topic message subtype event.

{
    "token": "XXYYZZ",
    "team_id": "T123ABC456",
    "api_app_id": "A123ABC456",
    "event": {
        "type": "message",
        "subtype": "channel_topic",
        "ts": "1358877455.000010",
        "user": "U2147483828",
        "topic": "hello world",
        "text": "<@U2147483828|cal> set the channel topic: hello world"
    },
    "type": "event_callback",
    "authed_users": [
        "U123ABC456",
        "U222222222"
    ],
    "event_id": "Ev123ABC456",
    "event_time": 123456789
}

A channel_topic message is sent when the topic for a channel is changed.