Slack Trigger

The Slack Trigger starts an orchestration when a Slack event occurs — such as a new message in a channel, a direct message to a bot, a reaction added, or a file shared.

Use Cases

Respond to bot commands or mentions in Slack channels
Trigger AI processing when a user sends a message to a channel
Automate workflows based on Slack reactions or file uploads
Build Slack bots powered by orchestrations

Credentials

This node requires a Slack OAuth2 credential. To create a credential:

Go to Integrations → Slack and select New connection
Select Slack OAuth2
Authenticate with your Slack workspace

Node Reference

Parameters

Parameter	Type	Description
Credential	Credential	Select or create a Slack OAuth2 credential
Trigger On	Multi-select	The Slack event types to listen for (default: `Any Event`)

Trigger On Options

Option	Description
`Any Event`	Fires on all Slack events delivered to the webhook
`Message`	A message is posted in a channel or DM
`Bot Mention`	The bot is @mentioned in a channel
`Reaction Added`	A user adds a reaction emoji to a message
`File Shared`	A file is uploaded and shared in a channel
`Channel Created`	A new channel is created in the workspace
`Member Joined Channel`	A user joins a channel

Options

Option	Description
Resolve IDs	When enabled, resolves Slack user/channel IDs to their human-readable names and returns them alongside the IDs
Usernames or IDs to Ignore	Events from these users will not trigger the orchestration

Webhook URL

The Slack Trigger displays a unique Webhook URL in the node panel. Configure this URL in your Slack app’s Event Subscriptions settings to route Slack events to Orchestration.

Output Data

The trigger outputs the full Slack event payload:

{
  "type": "message",
  "text": "Hey @bot, summarize this document",
  "user": "U012AB3CD",
  "channel": "C012AB3CD",
  "ts": "1678901234.000100",
  "team": "T012AB3CD"
}

Reference fields in downstream nodes:

{{ slackTrigger.text }}
{{ slackTrigger.user }}
{{ slackTrigger.channel }}

Slack — Send messages and interact with Slack within an orchestration
AI Agent — Process the Slack message with an LLM

Getting Started

Trigger Nodes

Action Nodes

Logic Nodes

AI Nodes

Operations

Slack trigger

Slack Trigger

Use Cases

Credentials

Node Reference

Parameters

Trigger On Options

Options

Webhook URL

Output Data

​Slack Trigger

​Use Cases

​Credentials

​Node Reference

​Parameters

​Trigger On Options

​Options

​Webhook URL

​Output Data

​Related Nodes

Slack Trigger

Use Cases

Credentials

Node Reference

Parameters

Trigger On Options

Options

Webhook URL

Output Data

Related Nodes