External DocumentationTo learn more, visit the Slack documentation.
Actions
Update Message
Updates a message.

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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 | Channel containing the message to be updated. A channel ID can be found at the bottom of the channel’s details screen. |
| Message Blocks | A JSON-based array of structured blocks, presented as a URL-encoded string. If you don’t include this field, the message’s previous blocks will be retained. To remove previous blocks, include an empty array for this field. |
| Message Text | New text for the message, using the default formatting rules. It’s not required when presenting blocks or attachments. |
| Timestamp | Timestamp of the message to be updated. for example - ‘1234567890.123456’. |
{
"channel": "C024BE91L",
"message": {
"text": "Updated text you carefully authored",
"user": "U34567890"
},
"ok": true,
"text": "Updated text you carefully authored",
"ts": "1401383885.000061"
}
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