Slack — Node Reference

The Slack node sends a message to a Slack channel via an Incoming Webhook. Use it for notifications, alerts, and error reporting.

Overview

Property	Value
Inputs	1
Outputs	1
Output	Passes through input

Parameters

Parameter	Type	Description
`credentialId`	UUID	Slack credential (webhook URL) from Credentials
`message`	expression	Message text. Supports expressions.

Setup

Create an Incoming Webhook in your Slack workspace
Add a Slack credential in Credentials tab with the webhook URL
Reference the credential in the node

Example

{
  "type": "slack",
  "data": {
    "label": "notifyTeam",
    "credentialId": "slack-credential-uuid",
    "message": "Workflow completed: $userInput.body.text"
  }
}

Use with Error Handler for failure notifications:

"message": "Error in $errorHandler.errorNode: $errorHandler.error"

Node Types – Overview of all node types
Error Handler – Send Slack on workflow failure
Credentials Tab – Add Slack webhook

Overview

Parameters

Setup

Example

Related