API Reference > ui-components > PropertyGrid > IMutableFlatPropertyGridItem IMutableFlatPropertyGridItem Interface Beta Base mutable data structure defining common methods and properties for both CategorizedProperties and GridCategoryItems Implemented by MutableFlatPropertyGridItem Methods Name Description getChildren(): IMutableFlatGridItem[] getDescendantsAndSelf(): IMutableFlatGridItem[] getLastVisibleDescendantOrSelf(): IMutableFlatGridItem getVisibleDescendantsAndSelf(): IMutableFlatGridItem[] Properties Name Type Description depth Readonly number isExpanded boolean isLastInRootCategory boolean key Readonly string label Readonly string lastInNumberOfCategories number parentCategorySelectionKey Readonly undefined | string parentSelectionKey Readonly undefined | string selectionKey Readonly string type Readonly FlatGridItemType Defined in ui/components/src/ui-components/propertygrid/internal/flat-items/MutableFlatGridItem.ts Line 36 Last Updated: 11 June, 2024