Frequency.md in first_data_gateway-1.3.0

- old
+ new

@@ -1,9 +1,19 @@
 # OpenapiClient::Frequency
 
 ## Properties
+
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **every** | **Integer** | Rate of frequency. | 
 **unit** | **String** | Unit which defines the frequency. | 
+
+## Code Sample
+
+```ruby
+require 'OpenapiClient'
+
+instance = OpenapiClient::Frequency.new(every: 10,
+                                 unit: MONTH)
+```
 
 