상속: BaseModel
 public BankAccount Save(BankAccount bankAccount)
 {
     var url = string.Format("BankAccount/Save?apikey={0}&companyid={1}", _apiKey, _companyId);
     var request = new RestRequest(url, Method.POST) { JsonSerializer = new JsonSerializer() };
     request.RequestFormat = DataFormat.Json;
     request.AddBody(bankAccount);
     var response = _client.Execute<BankAccount>(request);
     StatusDescription = response.StatusDescription;
     StatusCode = response.StatusCode;
     return response.Data;
 }
        public void SaveBankAccount()
        {
            var bankAccount = new BankAccount
            {
                AccountNumber = "123456789",
                Name = "New Bank Account",
                Active = true,
                Balance = 1000,
                BankName = "Bank Inc.",
                BranchName = "Branch Y",
                BranchNumber = "9988",
                DefaultPaymentMethodId = Enums.PaymentMethod.Cash
            };

            var newBankAccount = bankAccountRequest.Save(bankAccount);
        }