# KlaviyoAPI::CatalogCategoryCreateQueryResourceObjectRelationshipsItems ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **data** | [**Array<CatalogCategoryCreateQueryResourceObjectRelationshipsItemsDataInner>**](CatalogCategoryCreateQueryResourceObjectRelationshipsItemsDataInner.md) | | [optional] | ## Example ```ruby require 'klaviyo-api-sdk' instance = KlaviyoAPI::CatalogCategoryCreateQueryResourceObjectRelationshipsItems.new( data: null ) ```