# GetMetadataChildrenRequest ## Fields | Field | Type | Required | Description | | ----------------------------------------------------------------------- | ----------------------------------------------------------------------- | ----------------------------------------------------------------------- | ----------------------------------------------------------------------- | | `RatingKey` | *float64* | :heavy_check_mark: | the id of the library item to return the children of. | | `IncludeElements` | **string* | :heavy_minus_sign: | Adds additional elements to the response. Supported types are (Stream)
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