API Reference > ui-components > PropertyGrid > IMutableCategorizedPropertyItem IMutableCategorizedPropertyItem Interface Beta Data structure which describes methods and properties to be held by Mutable CategorizedPropertyItems Extends IMutableFlatPropertyGridItem Implemented by MutableCategorizedArrayProperty MutableCategorizedPrimitiveProperty MutableCategorizedStructProperty Methods Name Description getChildren(): IMutableCategorizedPropertyItem[] Inherited methods Name Inherited from Description getDescendantsAndSelf(): IMutableFlatGridItem[] IMutableFlatPropertyGridItem getLastVisibleDescendantOrSelf(): IMutableFlatGridItem IMutableFlatPropertyGridItem getVisibleDescendantsAndSelf(): IMutableFlatGridItem[] IMutableFlatPropertyGridItem Properties Name Type Description derivedRecord Readonly PropertyRecord parentCategorySelectionKey Readonly string parentSelectionKey Readonly string type Readonly CategorizedPropertyTypes 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 selectionKey Readonly string IMutableFlatPropertyGridItem Defined in ui/components/src/ui-components/propertygrid/internal/flat-items/MutableFlatGridItem.ts Line 201 Last Updated: 11 June, 2024