docs/PaymentCardSaleTransaction.md in first_data_gateway-1.12.0 vs docs/PaymentCardSaleTransaction.md in first_data_gateway-1.13.0

@@ -2,10 +2,10 @@
 
 ## Properties
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**payment_method** | [**PaymentCardPaymentMethod**](PaymentCardPaymentMethod.md) |  | 
+**payment_method** | [**PaymentCardPaymentMethod**](PaymentCardPaymentMethod.md) |  | [optional] 
 **stored_credentials** | [**StoredCredential**](StoredCredential.md) |  | [optional] 
 **settlement_split** | [**Array<SubMerchantSplit>**](SubMerchantSplit.md) | Settle with multiple sub-merchants, sale and preAuth only. | [optional] 
 **create_token** | [**CreatePaymentToken**](CreatePaymentToken.md) |  | [optional] 
 **currency_conversion** | [**CurrencyConversion**](CurrencyConversion.md) |  | [optional] 
 **authentication_request** | [**AuthenticationRequest**](AuthenticationRequest.md) |  | [optional]