public Task <IActionResult> Execute(JObject jObj) { if (jObj == null) { throw new ArgumentNullException(nameof(jObj)); } var command = _requestBuilder.GetBuyUpsLabelCommand(jObj); command.Credentials = new UpsParams.UpsCredentials { LicenseNumber = Constants.UpsCredentials._accessLicenseNumber, Password = Constants.UpsCredentials._password, UserName = Constants.UpsCredentials._userName }; command.EmailAddress = "*****@*****.**"; _commandSender.Send(command); return(Task.FromResult <IActionResult>(null)); }