V1Refund.md in square_connect-2.7.0.202

- old
+ new
@@ -6,11 +6,12 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **type** | **String** | The type of refund  | [optional] 
 **reason** | **String** | The merchant-specified reason for the refund. | [optional] 
 **refunded_money** | [**V1Money**](V1Money.md) | The amount of money refunded. This amount is always negative. | [optional] 
-**created_at** | **String** | The time when the merchant initiated the refund for Square to process, in ISO 8601 format.. | [optional] 
+**created_at** | **String** | The time when the merchant initiated the refund for Square to process, in ISO 8601 format. | [optional] 
 **processed_at** | **String** | The time when Square processed the refund on behalf of the merchant, in ISO 8601 format. | [optional] 
-**payment_id** | **String** | The Square-issued ID of the payment the refund is applied to. | [optional] 
+**payment_id** | **String** | A Square-issued ID associated with the refund. For single-tender refunds, payment_id is the ID of the original payment ID. For split-tender refunds, payment_id is the ID of the original tender. For exchange-based refunds (is_exchange &#x3D;&#x3D; true), payment_id is the ID of the original payment ID even if the payment includes other tenders. | [optional] 
 **merchant_id** | **String** |  | [optional] 
+**is_exchange** | **BOOLEAN** | Indicates whether or not the refund is associated with an exchange. If is_exchange is true, the refund reflects the value of goods returned in the exchange not the total money refunded. | [optional] 
 
 