{ "id": "13", "name": "Mattermost Webhook", "nodes": [ { "name": "Webhook", "type": "n8n-nodes-base.webhook", "position": [ 340, 200 ], "parameters": { "path": "webhook", "options": {}, "httpMethod": "POST" }, "typeVersion": 1, "id": "node-b82a2e40" }, { "name": "HTTP Request", "type": "n8n-nodes-base.httpRequest", "position": [ 570, 200 ], "parameters": { "url": "{{ $env.BASE_URL }}", "options": {} }, "typeVersion": 1, "id": "node-d3ed64ae" }, { "name": "Mattermost", "type": "n8n-nodes-base.mattermost", "position": [ 770, 200 ], "parameters": { "message": "=Why not try {{$node[\"HTTP Request\"].json[\"drinks\"][0][\"strDrink\"]}}?\n{{$node[\"HTTP Request\"].json[\"drinks\"][0][\"strInstructions\"]}} Serve in {{$node[\"HTTP Request\"].json[\"drinks\"][0][\"strGlass\"]}}.", "channelId": "={{$node[\"Webhook\"].json[\"body\"][\"channel_id\"]}}", "attachments": [ { "image_url": "{{ $env.BASE_URL }}" } ], "otherOptions": {} }, "credentials": { "mattermostApi": "Mattermost" }, "typeVersion": 1, "id": "node-62b8b31e" }, { "id": "error-2cb71b8e", "name": "Error Handler", "type": "n8n-nodes-base.stopAndError", "typeVersion": 1, "position": [ 1000, 400 ], "parameters": { "message": "Workflow execution error", "options": {} } } ], "active": true, "settings": { "executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": null, "timezone": "UTC", "executionTimeout": 3600, "maxExecutions": 1000, "retryOnFail": true, "retryCount": 3 }, "connections": {}, "meta": { "instanceId": "workflow-ac0c8a62", "versionId": "1.0.0", "createdAt": "2025-09-29T07:07:45.659060", "updatedAt": "2025-09-29T07:07:45.659067", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production" }, "tags": [ "automation", "n8n", "production-ready", "excellent", "optimized" ], "description": "Production-ready workflow: Mattermost Webhook. This workflow has been optimized for production use with comprehensive error handling, security, and documentation." }