Retrieves a schedule

curl --request GET \
  --url https://api.rootly.com/v1/schedules/{id} \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "f4f9c14a-5763-47a2-bb38-c947c6173944",
    "type": "schedules",
    "attributes": {
      "name": "Schedule 29",
      "description": "Schedule description",
      "all_time_coverage": false,
      "slack_user_group": {},
      "slack_channel": null,
      "owner_user_id": 880,
      "owner_group_ids": [
        "2fdd8e89-e098-4297-aa45-865cb8056b4f"
      ],
      "created_at": "2026-01-20T17:19:53.834-08:00",
      "updated_at": "2026-01-20T17:19:53.851-08:00"
    },
    "relationships": {
      "owner_user": {
        "data": {
          "id": "880",
          "type": "users"
        }
      },
      "escalation_policies": {
        "data": []
      }
    }
  }
}