Slack: Actions/update Message

Edit the text or blocks of a Slack message your bot posted earlier, such as replacing an approval prompt with the outcome.

Tool ID: slack_update_message

Run this action

This action has conditional or dynamic inputs. A static example cannot describe these inputs reliably. Read the live contract before you execute this action:

deepline describe slack_update_message --json

Example response

The static output schema lacks the details for a reliable example. Use deepline describe slack_update_message --json for the complete live contract.

Input reference

Update a message authored by the connected Slack bot using chat.update. Provide channel, ts, and at least one field to change. Empty blocks or attachments arrays remove existing content. markdown_text cannot be combined with text or blocks.

Name	Type	Required	Default	Details
`payload.channel`	`string`	Yes	—	Conversation ID containing the message. For DMs, use the D-prefixed conversation ID, not a user ID. Minimum length: 1. Pattern: `\S`.
`payload.ts`	`string`	Yes	—	Timestamp of the message to update, as a string. Use message_ref.ts from HITL or data.ts from a posted message. Minimum length: 1. Pattern: `^\d+\.\d+$`.
`payload.text`	`string`	No	—	Slack message text. Recommended accessibility fallback when blocks or attachments are supplied.
`payload.blocks`	`array`	No	—	Maximum items: 50.
`payload.attachments`	`array`	No	—	—
`payload.unfurled_attachments`	`array`	No	—	—
`payload.markdown_text`	`string`	No	—	Maximum length: 12000.
`payload.metadata`	`record`	No	—	—
`payload.as_user`	`boolean`	No	—	—
`payload.link_names`	`boolean`	No	—	—
`payload.parse`	`"none" \| "full"`	No	—	Allowed: `none`, `full`.
`payload.reply_broadcast`	`boolean`	No	—	—
`payload.file_ids`	`array`	No	—	—

This input schema is too large for an inline display. Read the complete live contract with deepline describe slack_update_message --json.

Output reference

Standard tool result payload.

Name	Type	Required	Default	Details
`result.data`	`record`	Yes	—	Provider response payload.
`result.meta`	`record`	No	—	Additional response metadata.

Deepline cost

Pricing model: fixed (per call).
Estimated Deepline credits: 0 per pricing unit.
Provider-native pricing may still exist outside Deepline credit billing.

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​Example response

​Input reference

​Output reference

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Run this action

Example response

Input reference

Output reference

Deepline cost

Related documentation