Messaging Nodes¶

Messaging nodes send notifications to chat platforms.

Slack Node¶

Send messages to Slack channels and users.

Type¶

n8n-nodes-base.slack

Parameters¶

Parameter	Type	Required	Description
`webhookUrl`	string	No*	Slack webhook URL
`token`	string	No*	Slack API token
`text`	string	Yes	Message content
`channel`	string	Depends	Channel (required with token)
`username`	string	No	Bot display name

*Either webhookUrl OR token required.

Using Webhook URL¶

The simplest method - create an Incoming Webhook in Slack:

{
  "id": "slack-1",
  "name": "Send to Slack",
  "type": "n8n-nodes-base.slack",
  "position": [450, 300],
  "parameters": {
    "webhookUrl": "https://hooks.slack.com/services/T00000000/B00000000/XXXXXXXX",
    "text": "New order received: {{ $json.orderId }}"
  }
}

Using API Token¶

For more control, use a Slack App with Bot Token:

{
  "type": "n8n-nodes-base.slack",
  "parameters": {
    "token": "={{ $credentials.slackApi.token }}",
    "channel": "#notifications",
    "text": "Alert: {{ $json.message }}",
    "username": "m9m Bot"
  }
}

Output¶

{
  "json": {
    "success": true,
    "method": "webhook"
  }
}

Examples¶

Simple Notification¶

{
  "type": "n8n-nodes-base.slack",
  "parameters": {
    "webhookUrl": "https://hooks.slack.com/services/...",
    "text": "Workflow completed successfully!"
  }
}

Dynamic Message¶

{
  "type": "n8n-nodes-base.slack",
  "parameters": {
    "webhookUrl": "https://hooks.slack.com/services/...",
    "text": "New user signup:\n- Name: {{ $json.name }}\n- Email: {{ $json.email }}\n- Plan: {{ $json.plan }}"
  }
}

With Custom Bot Name¶

{
  "type": "n8n-nodes-base.slack",
  "parameters": {
    "token": "xoxb-...",
    "channel": "#alerts",
    "text": "Server alert: High CPU usage detected",
    "username": "Server Monitor"
  }
}

Use Cases¶

Use Case	Example Message
Error alerts	`Error in workflow: {{ $json.error }}`
New signups	`New user: {{ $json.email }}`
Order notifications	`Order #{{ $json.id }} received`
Deployment notices	`Deployed {{ $json.version }} to production`

Discord Node¶

Send messages to Discord channels via webhooks.

Type¶

n8n-nodes-base.discord

Parameters¶

Parameter	Type	Required	Default	Description
`webhookUrl`	string	Yes	-	Discord webhook URL
`content`	string	Yes	-	Message content
`username`	string	No	`m9m Bot`	Bot display name
`avatarUrl`	string	No	-	Bot avatar URL

Creating a Discord Webhook¶

Go to Server Settings → Integrations → Webhooks
Click "New Webhook"
Copy the webhook URL

Examples¶

Simple Message¶

{
  "id": "discord-1",
  "name": "Send to Discord",
  "type": "n8n-nodes-base.discord",
  "position": [450, 300],
  "parameters": {
    "webhookUrl": "https://discord.com/api/webhooks/...",
    "content": "Hello from m9m!"
  }
}

Dynamic Alert¶

{
  "type": "n8n-nodes-base.discord",
  "parameters": {
    "webhookUrl": "https://discord.com/api/webhooks/...",
    "content": "**Alert**: {{ $json.alertType }}\n\nDetails: {{ $json.details }}",
    "username": "Alert Bot"
  }
}

With Custom Avatar¶

{
  "type": "n8n-nodes-base.discord",
  "parameters": {
    "webhookUrl": "https://discord.com/api/webhooks/...",
    "content": "Build {{ $json.buildNumber }} completed",
    "username": "CI/CD Bot",
    "avatarUrl": "https://example.com/bot-avatar.png"
  }
}

Output¶

{
  "json": {
    "success": true,
    "statusCode": 204
  }
}

Formatting¶

Discord supports Markdown:

{
  "content": "**Bold** and *italic* text\n\n```json\n{\"code\": \"block\"}\n```\n\n> Quote"
}

Quick Reference¶

Node	Type	Auth Method
Slack	`n8n-nodes-base.slack`	Webhook URL or API Token
Discord	`n8n-nodes-base.discord`	Webhook URL

When to Use Each¶

Scenario	Recommended
Simple notifications	Webhook URL
Channel selection	API Token (Slack)
Rich formatting	Both support Markdown
File attachments	API Token (requires additional setup)