{
  "summary": "List on-calls with flexible filters",
  "description": "",
  "method": "GET",
  "path": "/on-calls",
  "parameters": {
    "policies": 1.0,
    "policy-levels": "string",
    "schedules": 1.0,
    "users": 1.0,
    "expand": "string",
    "from": "string",
    "until": "string",
    "timezone": "string",
    "start-index": 1.0,
    "max-results": 1.0
  },
  "request_body": null,
  "response": [
    {
      "user": {
        "id": null,
        "firstName": null,
        "lastName": null,
        "email": null,
        "timezone": null,
        "position": null
      },
      "escalationPolicy": {
        "id": null,
        "name": null,
        "escalationRules": null,
        "teams": null,
        "repeating": null,
        "frequency": null
      },
      "schedule": {
        "id": null,
        "name": null,
        "type": null
      },
      "start": "string",
      "end": "string",
      "escalationLevel": 1.0
    }
  ]
}