static void GetBaseUrl() { Prompt baseUrlPrompt = new Prompt("enter base url:", new string[0]); baseUrlPrompt.Answered += (sender, e) => { try { Uri uri = new Uri(e.answer); AdminClient adminClient = new AdminClient(uri.ToString()); Console.WriteLine("Login as Admin:"); adminClient.Login(new Prompt("Username:"******"Password:").Execute()).Wait(); CreateCustomer(adminClient); } catch (UriFormatException) { e.invalid = true; } }; baseUrlPrompt.Execute(); }