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Integration Service Activities

Last updated Feb 19, 2026

Reaction Added in Slack

Project compatibility

Windows | Cross-platform

Overview

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.

DescriptionAPI MethodAPI Path
Triggers when a reaction is added in SlackWebhookWebhook

Input

ParameterDescriptionData Type
App IDThe ID of the Slack app associated with the reaction event. string
Channel IDThe ID of the channel where the reaction was added.string
Event PayloadThe full event payload sent by Slack containing details about the reaction event. string
ReactionThe name of the emoji reaction added (for example, thumbsup, heart). string
Thread IDThe ID of the thread where the reacted message resides. string
User IDThe ID of the user who added the reaction.string

Output

ParameterDescriptionData Type
ResponseThe webhook response object acknowledging the reaction event. 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.
  • Project compatibility
  • Overview
  • Input
  • Output

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