public void AddUser() { // Add a new user try { var voximplant = new VoximplantAPI(); var result = voximplant.AddUser( "GordonFreeman", "GordonFreeman", "1234567", applicationId: 1L ).Result; Console.WriteLine($"Response: {result.ToString()}"); } catch (Exception e) { Console.WriteLine($"Error: {e.Message}"); } }