docs/ItemPricingTierLimit.md in ultracart_api-4.0.154 vs docs/ItemPricingTierLimit.md in ultracart_api-4.0.155

@@ -6,19 +6,21 @@
 | ---- | ---- | ----------- | ----- |
 | **cumulative_order_limit** | **Integer** | Cumulative order limit | [optional] |
 | **exempt_from_minimum_item_count** | **Boolean** | Exempt from Minimum Item Count | [optional] |
 | **individual_order_limit** | **Integer** | Individual order limit | [optional] |
 | **multiple_quantity** | **Integer** | Multiple quantity | [optional] |
+| **payment_method_validity** | **Array<String>** | Payment method validity | [optional] |
 
 ## Example
 
 ```ruby
 require 'ultracart_api'
 
 instance = UltracartClient::ItemPricingTierLimit.new(
   cumulative_order_limit: null,
   exempt_from_minimum_item_count: null,
   individual_order_limit: null,
-  multiple_quantity: null
+  multiple_quantity: null,
+  payment_method_validity: null
 )
 ```