SuiteDemo.js

 // Enter your calendar ID below and service account JSON below
 const calendarId = "<your_Calendar_ID>";
 const serviceAccount = {
  "type": "service_account",
  "project_id": "your_JSON_ID",
  "private_key_id": "your_JSON_ID",
  "private_key": "your_JSON_ID-----END PRIVATE KEY-----\n",
  "client_email": "your_JSON_ID",
  "client_id": "your_JSON_ID",
  "auth_uri": "your_JSON_ID",
  "token_uri": "your_JSON_ID",
  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/demobooking%40demo2-augyeo.iam.gserviceaccount.com"
}