# UltracartClient::PublishLibraryItemRequest ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **release_notes** | **String** | Release notes for this release version. | [optional] | ## Example ```ruby require 'ultracart_api' instance = UltracartClient::PublishLibraryItemRequest.new( release_notes: null ) ```