private CustomerCreatedResponse ImplementationOne(CreateCustomerRequest request) { try { int id = _repository.RegisterCustomer("name"); } catch (Exception e) { return(new CustomerCreatedResponse { IsSuccess = false }); } try { _gateway.SendMail("GOOD MORNING vietnam"); } catch (Exception e) { return(new CustomerCreatedResponse { IsSuccess = false }); } return(new CustomerCreatedResponse()); }