Send Notification to Topic

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Send Notification to Topic",
  "nodes": [
    {
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 1
            }
          ]
        }
      },
      "id": "b8b8eb4e-e4b1-5b4e-af06-8b6d58fc065d",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1,
      "position": [
        250,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Sample data - in a real scenario, this would come from a database or another service\nreturn {\n  topic: \"news\",\n  title: \"Breaking News\",\n  body: \"This is a breaking news notification sent to all subscribers!\",\n  data: {\n    category: \"world\",\n    articleId: \"12345\",\n    timestamp: Date.now()\n  }\n};"
      },
      "id": "e5f1f92d-3e2g-5f33-997d-e4d88f5b9c9a",
      "name": "Prepare Topic Notification",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        470,
        300
      ]
    },
    {
      "parameters": {
        "authentication": "serviceAccount",
        "operation": "sendToTopic",
        "topic": "={{ $node[\"Prepare Topic Notification\"].json[\"topic\"] }}",
        "options": {
          "notification": {
            "title": "={{ $node[\"Prepare Topic Notification\"].json[\"title\"] }}",
            "body": "={{ $node[\"Prepare Topic Notification\"].json[\"body\"] }}"
          },
          "data": "={{ $node[\"Prepare Topic Notification\"].json[\"data\"] }}",
          "android": {
            "priority": "high",
            "notification": {
              "clickAction": "OPEN_NEWS_ACTIVITY"
            }
          }
        }
      },
      "id": "9e0c8f9d-7g6b-5c8b-0f2e-4d3e5f6g7h8i",
      "name": "Firebase Cloud Message",
      "type": "n8n-nodes-firebase-cloud-message",
      "typeVersion": 1,
      "position": [
        690,
        300
      ],
      "credentials": {
        "firebaseCloudMessageApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "operation": "appendOrCreate",
        "fileName": "={{ 'notification_log_' + $now.format('YYYY-MM-DD') + '.txt' }}",
        "options": {
          "append": true
        },
        "content": "={{ $now.format('YYYY-MM-DD HH:mm:ss') + ' - Sent notification to topic \"' + $node[\"Prepare Topic Notification\"].json[\"topic\"] + '\" with title \"' + $node[\"Prepare Topic Notification\"].json[\"title\"] + '\"\\n' }}"
      },
      "id": "1a2b3c4d-5e6f-7g8h-9i0j-1k2l3m4n5o6p",
      "name": "Write Log",
      "type": "n8n-nodes-base.writeFile",
      "typeVersion": 1,
      "position": [
        910,
        300
      ]
    }
  ],
  "connections": {
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Prepare Topic Notification",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare Topic Notification": {
      "main": [
        [
          {
            "node": "Firebase Cloud Message",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Firebase Cloud Message": {
      "main": [
        [
          {
            "node": "Write Log",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {},
  "staticData": null,
  "tags": [
    {
      "name": "example",
      "color": "#00cc00"
    }
  ],
  "versionId": "2b3c4d5e-6f7g-8h9i-0j1k-2l3m4n5o6p7q"
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• firebaseCloudMessageApi

About this workflow

Send Notification to Topic. Uses n8n-nodes-firebase-cloud-message, writeFile. Scheduled trigger; 4 nodes.

Source: https://github.com/jaimeneto85/n8n-nodes-firebase-cloud-message/blob/21d8abcec869d9b8cef6985ab56b3a4c90a4fa4c/examples/send-notification-to-topic.json — original creator credit. Request a take-down →

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