public System.Threading.Tasks.Task <ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraResponse> PaymentVerificationWithExtraAsync(string MerchantID, string Authority, int Amount)
 {
     ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraRequest inValue = new ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraRequest();
     inValue.Body            = new ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraRequestBody();
     inValue.Body.MerchantID = MerchantID;
     inValue.Body.Authority  = Authority;
     inValue.Body.Amount     = Amount;
     return(((ServiceReferenceZarinpalSandBox.PaymentGatewayImplementationServicePortType)(this)).PaymentVerificationWithExtraAsync(inValue));
 }
 System.Threading.Tasks.Task <ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraResponse> ServiceReferenceZarinpalSandBox.PaymentGatewayImplementationServicePortType.PaymentVerificationWithExtraAsync(ServiceReferenceZarinpalSandBox.PaymentVerificationWithExtraRequest request)
 {
     return(base.Channel.PaymentVerificationWithExtraAsync(request));
 }