curl --request GET \
  --url https://api.{tenant}.getomneo.com/api/v3/appointment-definitions/{appointmentDefinition}/locations

{
  "data": [
    {
      "id": 123,
      "appointment_definition_id": 123,
      "location_id": 123,
      "is_active": true,
      "location": {
        "id": "<string>",
        "name": "<string>",
        "handle": "<string>"
      },
      "created_at": "<string>",
      "updated_at": "<string>"
    }
  ]
}