docs/Error.md in first_data_gateway-1.2.0 vs docs/Error.md in first_data_gateway-1.3.0

@@ -1,10 +1,21 @@
 # OpenapiClient::Error
 
 ## Properties
+
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **code** | **String** | Uniquely identifies an error condition. Client applications need to read and handle errors based on this. | [optional] 
 **message** | **String** | A generic description of the error condition. | [optional] 
 **details** | [**Array<ErrorDetails>**](ErrorDetails.md) | Detailed information about message format errors. | [optional] 
+
+## Code Sample
+
+```ruby
+require 'OpenapiClient'
+
+instance = OpenapiClient::Error.new(code: 2303,
+                                 message: Invalid credit card number,
+                                 details: null)
+```