{
  "summary": "Create a Data Subscription (Webhook)",
  "description": "Subscribe to event data changes via webhook for an event.",
  "request": {
    "method": "POST",
    "url": "https://api.events.ringcentral.com/v1/events/{eventId}/dataSubscriptions",
    "headers": {
      "Authorization": "Bearer {access_token}",
      "Content-Type": "application/json",
      "Accept": "application/json"
    },
    "parameters": {
      "eventId": "evt_001"
    },
    "body": {
      "webhook_url": "https://myapp.example.com/webhooks/ringcentral-events",
      "events": [
        "registration.created",
        "registration.updated",
        "registration.cancelled",
        "attendee.checked_in"
      ]
    }
  },
  "response": {
    "status": 201,
    "headers": {
      "Content-Type": "application/json"
    },
    "body": {
      "id": "sub_def012",
      "event_id": "evt_001",
      "webhook_url": "https://myapp.example.com/webhooks/ringcentral-events",
      "events": [
        "registration.created",
        "registration.updated",
        "registration.cancelled",
        "attendee.checked_in"
      ],
      "active": true,
      "created_at": "2024-08-20T14:30:00Z"
    }
  }
}