public ActionResult Pay(string senderId, string receiverId, string paymentType, decimal amount) { bool result = _paymentMethodService.Pay(senderId, receiverId, paymentType, amount); if (!result) { return(new JsonResult(PaymentDescription.NotEnoughMoney_VN) { StatusCode = StatusCodes.Status409Conflict }); } return(new JsonResult(null) { StatusCode = StatusCodes.Status200OK }); }