# Schema

The ID of the category to set as the root for the hierarchy.

IDOL Category Component returns results from only this category and its descendants.

Actions: | CategoryExpandTopics CategoryFind CategoryGetHierDetails CategoryGetTaxonomyRoots CategorySuggestFromCategory CategorySuggestFromDocument CategorySuggestFromText
Type: | String
Default: | root category (ID `0`)
Example: | `Schema=72639107792110467277`
See Also: |

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