# GetMetaDataByRatingKeyResponseBody The metadata of the library item. ## Fields | Field | Type | Required | Description | | --------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | | `media_container` | [T.nilable(::PlexRubySDK::Operations::GetMetaDataByRatingKeyMediaContainer)](../../models/operations/getmetadatabyratingkeymediacontainer.md) | :heavy_minus_sign: | N/A |