# TripletexRubyClient::ProductGroupRelation ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **id** | **Integer** | | [optional] **version** | **Integer** | | [optional] **changes** | [**Array<Change>**](Change.md) | | [optional] **url** | **String** | | [optional] **product** | [**Product**](Product.md) | | **product_group** | [**ProductGroup**](ProductGroup.md) | |