static void Main(string[] args) { Console.Write("Enter Input - send or receive \r\n"); var input = Console.ReadLine(); Console.Write("User Entered : " + input + "\r\n"); if (!String.IsNullOrEmpty(input) && input.ToLower().Equals("send")) { Console.Write("Sending \r\n"); SendEvent.SendAsync("Message ").GetAwaiter().GetResult(); } else { Console.Write("Receive \r\n"); ReceiveEvent.ReceiveAsync().GetAwaiter().GetResult(); } Console.WriteLine("Press ENTER to exit."); Console.ReadLine(); }