# AddPlaylistContentsMetadata ## Fields | Field | Type | Required | Description | Example | | -------------------------------------------------------------- | -------------------------------------------------------------- | -------------------------------------------------------------- | -------------------------------------------------------------- | -------------------------------------------------------------- | | `RatingKey` | *string* | :heavy_minus_sign: | N/A | 94 | | `Key` | *string* | :heavy_minus_sign: | N/A | /playlists/94/items | | `Guid` | *string* | :heavy_minus_sign: | N/A | com.plexapp.agents.none://972e3047-83d6-4848-a000-261f0af26ba2 | | `Type` | *string* | :heavy_minus_sign: | N/A | playlist | | `Title` | *string* | :heavy_minus_sign: | N/A | A great playlist | | `Summary` | *string* | :heavy_minus_sign: | N/A | One of my great playlists | | `Smart` | *bool* | :heavy_minus_sign: | N/A | false | | `PlaylistType` | *string* | :heavy_minus_sign: | N/A | video | | `Composite` | *string* | :heavy_minus_sign: | N/A | /playlists/94/composite/1705800070 | | `Duration` | *int* | :heavy_minus_sign: | N/A | 423000 | | `LeafCount` | *int* | :heavy_minus_sign: | N/A | 3 | | `AddedAt` | *int* | :heavy_minus_sign: | N/A | 1705716458 | | `UpdatedAt` | *int* | :heavy_minus_sign: | N/A | 1705800070 |