n8n: Slack Notification Pipeline

{
  "name": "Slack Notification Pipeline",
  "nodes": [
    {
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [250, 300],
      "parameters": {
        "httpMethod": "POST",
        "path": "notify",
        "responseMode": "onReceived"
      }
    },
    {
      "name": "Parse Payload",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [450, 300],
      "parameters": {
        "values": {
          "string": [
            { "name": "severity", "value": "={{ $json.body.severity || 'info' }}" },
            { "name": "message", "value": "={{ $json.body.message || 'No message' }}" },
            { "name": "source", "value": "={{ $json.body.source || 'unknown' }}" }
          ]
        }
      }
    },
    {
      "name": "Route by Severity",
      "type": "n8n-nodes-base.switch",
      "typeVersion": 1,
      "position": [650, 300],
      "parameters": {
        "dataPropertyName": "severity",
        "rules": {
          "rules": [
            { "value": "critical" },
            { "value": "warning" },
            { "value": "info" }
          ]
        }
      }
    },
    {
      "name": "Slack Critical",
      "type": "n8n-nodes-base.slack",
      "typeVersion": 2,
      "position": [900, 150],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channel": "#incidents",
        "text": "={{ ':rotating_light: *CRITICAL* [' + $json.source + ']:* ' + $json.message }}"
      }
    },
    {
      "name": "Slack Warning",
      "type": "n8n-nodes-base.slack",
      "typeVersion": 2,
      "position": [900, 300],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channel": "#alerts",
        "text": "={{ ':warning: *Warning* [' + $json.source + ']:* ' + $json.message }}"
      }
    },
    {
      "name": "Slack Info",
      "type": "n8n-nodes-base.slack",
      "typeVersion": 2,
      "position": [900, 450],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channel": "#notifications",
        "text": "={{ ':information_source: [' + $json.source + ']: ' + $json.message }}"
      }
    }
  ],
  "connections": {
    "Webhook": { "main": [[{ "node": "Parse Payload" }]] },
    "Parse Payload": { "main": [[{ "node": "Route by Severity" }]] },
    "Route by Severity": { "main": [[{ "node": "Slack Critical" }], [{ "node": "Slack Warning" }], [{ "node": "Slack Info" }]] }
  },
  "active": false,
  "settings": {}
}