public void Pay(MakePaymentApplicationCommand makePaymentApplicationCommand)
{
//Create Domain Command from Application Command
var processPaymentDomainCommand = ProcessPaymentDomainCommand.CreateFrom(makePaymentApplicationCommand);
//Initialize Domain Model
PaymentRequest paymentRequestDomainModel = new PaymentRequest();
//Populate Domain Values, Validate Business Logic on Domain Model using Domain Command
paymentRequestDomainModel.ProcessPaymentRequest(processPaymentDomainCommand);
//Use third party or internal api to transfer money between accounts
///var successfullyProcessedPayments = _transferMoneyService.ProcessPayments(new PaymentsDto(){...})
//update Domain Model state
paymentRequestDomainModel.AddProcessPaymentEvent(/*successfullyProcessedPayments*/);
//Save Domain Model state to Database
_paymentRequestRepository.Create(paymentRequestDomainModel);
}