External DocumentationTo learn more, visit the Mattermost documentation.
Actions
Add Users To Channel
Add users to a channel.

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Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
| Parameter | Description |
|---|---|
| Channel ID | The ID of the channel. Can be obtained from the List All Channels action. |
| Post Root ID | The ID of the root post where the link to add the channel member originates. |
| User IDs | A comma-separated list of IDs of users to add to the channel. Accepts 1–1000 items. |
{
"channel_id": "string",
"user_id": "string",
"roles": "string",
"last_viewed_at": -9007199254740991,
"msg_count": 0,
"mention_count": 0,
"notify_props": {
"email": "string",
"push": "string",
"desktop": "string",
"mark_unread": "string"
},
"last_update_at": -9007199254740991
}
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