This workflow follows the Google Calendar → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "SMB Demo - Google Calendar to Copilot Suggestion",
"nodes": [
{
"parameters": {
"rule": {
"interval": [
{
"field": "minutes",
"minutesInterval": 15
}
]
}
},
"id": "199d75bb-fd97-461d-a754-ea54124b35aa",
"name": "Every 15 Minutes",
"type": "n8n-nodes-base.scheduleTrigger",
"typeVersion": 1.2,
"position": [
-720,
0
]
},
{
"parameters": {
"operation": "getAll",
"calendar": {
"__rl": true,
"value": "={{ $env.GOOGLE_CALENDAR_ID }}",
"mode": "id"
},
"returnAll": false,
"limit": 20,
"options": {
"timeMin": "={{ $now.minus({ minutes: 20 }).toISO() }}",
"timeMax": "={{ $now.plus({ days: 1 }).toISO() }}",
"singleEvents": true
}
},
"id": "b763d633-c11a-49fe-a888-bd900712bdb5",
"name": "Read Dedicated Calendar (readonly credential required)",
"type": "n8n-nodes-base.googleCalendar",
"typeVersion": 1.3,
"position": [
-480,
0
]
},
{
"parameters": {
"jsCode": "const crypto = require('crypto');\nconst secret = $env.COPILOT_INGEST_HMAC_SECRET;\nif (!secret) throw new Error('COPILOT_INGEST_HMAC_SECRET is required');\nconst integrationId = 'n8n-calendar-v1';\nconst endpointPath = '/api/v1/integrations/work-events:ingest';\nconst sourceAccountRef = $env.GOOGLE_SOURCE_ACCOUNT_REF;\nconst calendarRef = $env.GOOGLE_CALENDAR_REF;\nif (!sourceAccountRef || !calendarRef) throw new Error('Google source references are required');\nreturn items.filter(({json:e}) => e.extendedProperties?.private?.acme_work_event === 'v1').map(({json:e}) => {\n const p = e.extendedProperties.private;\n const start = new Date(e.start?.dateTime || '');\n const end = new Date(e.end?.dateTime || '');\n const duration = Math.round((end - start) / 60000);\n const event = {schema_version:'1.0',source:'google_calendar',source_account_ref:sourceAccountRef,calendar_id:calendarRef,event_id:String(e.id || ''),event_updated_at:String(e.updated || ''),person_ref:String(p.person_ref || ''),project_code:String(p.project_code || ''),work_date:start.toISOString().slice(0,10),duration_minutes:duration,description:String(p.work_description || '')};\n if (!/^[a-z0-9-]{3,64}$/.test(event.person_ref) || !/^[A-Z0-9_-]{2,32}$/.test(event.project_code) || !event.event_id || !/^\\d{4}-\\d{2}-\\d{2}T/.test(event.event_updated_at) || duration < 15 || duration > 1440 || duration % 15 || !event.description || event.description.length > 200) throw new Error('Calendar event failed bounded WorkEvent validation');\n const body = JSON.stringify(event);\n const timestamp = Math.floor(Date.now()/1000).toString();\n const nonce = crypto.randomUUID();\n const bodyHash = crypto.createHash('sha256').update(body).digest('hex');\n const base = ['v1',timestamp,nonce,'POST',endpointPath,bodyHash].join('\\n');\n const signature = 'v1=' + crypto.createHmac('sha256',secret).update(base).digest('hex');\n const revision = crypto.createHash('sha256').update(['gcal:v1',event.calendar_id,event.event_id,event.event_updated_at].join('\\0')).digest('hex');\n return {json:{body,headers:{'Content-Type':'application/json','X-Acme-Integration-Id':integrationId,'X-Acme-Timestamp':timestamp,'X-Acme-Nonce':nonce,'X-Acme-Idempotency-Key':'sha256:'+revision,'X-Acme-Signature':signature}}};\n});"
},
"id": "11f28a65-8101-45c6-99d8-d10ad3794305",
"name": "Filter Map Validate and Sign WorkEvent",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
-208,
0
]
},
{
"parameters": {
"method": "POST",
"url": "={{ $env.COPILOT_INGEST_URL }}",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "={{ $json.headers['Content-Type'] }}"
},
{
"name": "X-Acme-Integration-Id",
"value": "={{ $json.headers['X-Acme-Integration-Id'] }}"
},
{
"name": "X-Acme-Timestamp",
"value": "={{ $json.headers['X-Acme-Timestamp'] }}"
},
{
"name": "X-Acme-Nonce",
"value": "={{ $json.headers['X-Acme-Nonce'] }}"
},
{
"name": "X-Acme-Idempotency-Key",
"value": "={{ $json.headers['X-Acme-Idempotency-Key'] }}"
},
{
"name": "X-Acme-Signature",
"value": "={{ $json.headers['X-Acme-Signature'] }}"
}
]
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "application/json",
"body": "={{ $json.body }}",
"options": {
"timeout": 10000
}
},
"id": "98a23263-43d0-4f05-9776-a3501c2740d0",
"name": "Create Suggestion Only",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
96,
0
]
}
],
"connections": {
"Every 15 Minutes": {
"main": [
[
{
"node": "Read Dedicated Calendar (readonly credential required)",
"type": "main",
"index": 0
}
]
]
},
"Read Dedicated Calendar (readonly credential required)": {
"main": [
[
{
"node": "Filter Map Validate and Sign WorkEvent",
"type": "main",
"index": 0
}
]
]
},
"Filter Map Validate and Sign WorkEvent": {
"main": [
[
{
"node": "Create Suggestion Only",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "b97567bd-b8cd-4a8e-a1d8-2f4509be8636",
"meta": {
"templateCredsSetupCompleted": false
},
"tags": []
}
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About this workflow
SMB Demo - Google Calendar to Copilot Suggestion. Uses googleCalendar, httpRequest. Scheduled trigger; 4 nodes.
Source: https://github.com/lh229470989/workforce-operations-copilot/blob/main/integrations/n8n/workflow-a-calendar-ingest.json — original creator credit. Request a take-down →
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