private static async void TestCall(IHubProxy serverHubProxy) { var sensor = new Sensor { FirstName = "Zoran", LastName = "Lisovac", SensorId = 5, SensorMac = "mac5" }; var presence = new SensorPresence { RoomId = 1, SensorId = sensor.SensorId, TimeStamp = DateTime.Now }; //var result = await serverHubProxy.Invoke<List<Room>>("GetRooms"); serverHubProxy.Invoke("RecordLocation", presence, sensor); }