# GetMetaDataByRatingKeyPart ## Fields | Field | Type | Required | Description | Example | | ------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------- | | `id` | *Optional* | :heavy_minus_sign: | N/A | 15 | | `key` | *Optional* | :heavy_minus_sign: | N/A | /library/parts/15/1705637151/file.mp4 | | `duration` | *Optional* | :heavy_minus_sign: | N/A | 141417 | | `file` | *Optional* | :heavy_minus_sign: | N/A | /movies/Serenity (2005)/Serenity (2005).mp4 | | `size` | *Optional* | :heavy_minus_sign: | N/A | 40271948 | | `audioProfile` | *Optional* | :heavy_minus_sign: | N/A | lc | | `container` | *Optional* | :heavy_minus_sign: | N/A | mp4 | | `has64bitOffsets` | *Optional* | :heavy_minus_sign: | N/A | false | | `optimizedForStreaming` | *Optional* | :heavy_minus_sign: | N/A | false | | `videoProfile` | *Optional* | :heavy_minus_sign: | N/A | high | | `stream` | List<[Stream](../../models/operations/Stream.md)> | :heavy_minus_sign: | N/A | |