Post01-CreateDeviceMutation

mutation CreateDevice($name: String! $location: LocationInput!){
  createDevice(name:$name location: $location) {
    id
    name
    location {
      lat
      lng
    }
  }
}

With the values:
{
  "name": "test create device",
  "location": {
    "lat": 63.0,
    "lng": 45.3
  }
}