Integration Service Activities

Last updated Feb 19, 2026

Member Joined a Slack Channel

Windows | Cross-platform

This trigger requires Bring your own OAuth 2.0 app authentication. To find out how to use the trigger, see Use Slack webhooks in your integration.

Description	API Method	API Path
Triggers when a member joins a slack channel	Webhook	Webhook

Parameter	Description	Data Type
App ID	The ID of the Slack app associated with the membership event.	string
Channel ID	The ID of the channel the user joined.	string
Event Payload	Full event content delivered by Slack for the membership event.	string
Is externally shared channel	Whether the channel is shared with external organizations.	boolean
Message Text	Any text included in the event (if applicable).	string
User ID	The ID of the user who joined the channel.	string

Parameter	Description	Data Type
Response	The returned webhook response object.	object

In API workflows, a single response object is returned as the output. Any required fields can be extracted directly from this object.
In RPA workflows, some output parameters may differ, but the necessary values can still be retrieved from the response object even if they are not explicitly exposed.

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