API Reference > ui-components > PropertyGrid > IMutableGridCategoryItem IMutableGridCategoryItem Interface Beta Data structure which describes methods and properties to be held by Mutable GridCategoryItems Extends IMutableFlatPropertyGridItem Implemented by MutableGridCategory Methods Name Description getChildCategories(): IMutableGridCategoryItem[] getDescendantCategoriesAndSelf(): IMutableGridCategoryItem[] Inherited methods Name Inherited from Description getChildren(): IMutableFlatGridItem[] IMutableFlatPropertyGridItem getDescendantsAndSelf(): IMutableFlatGridItem[] IMutableFlatPropertyGridItem getLastVisibleDescendantOrSelf(): IMutableFlatGridItem IMutableFlatPropertyGridItem getVisibleDescendantsAndSelf(): IMutableFlatGridItem[] IMutableFlatPropertyGridItem Properties Name Type Description derivedCategory PropertyCategory isRootCategory boolean name string type Category Inherited properties Name Type Inherited from Description depth Readonly number IMutableFlatPropertyGridItem isExpanded boolean IMutableFlatPropertyGridItem isLastInRootCategory boolean IMutableFlatPropertyGridItem key Readonly string IMutableFlatPropertyGridItem label Readonly string IMutableFlatPropertyGridItem lastInNumberOfCategories number IMutableFlatPropertyGridItem parentCategorySelectionKey Readonly undefined | string IMutableFlatPropertyGridItem parentSelectionKey Readonly undefined | string IMutableFlatPropertyGridItem selectionKey Readonly string IMutableFlatPropertyGridItem Defined in ui/components/src/ui-components/propertygrid/internal/flat-items/MutableFlatGridItem.ts Line 187 Last Updated: 11 June, 2024