API Reference > ui-components > PropertyGrid > MutableCategorizedArrayProperty MutableCategorizedArrayProperty Class Beta Mutable wrapper object for PropertyRecord with array valueFormat which provides methods for working with and managing record children hierarchies. Extends MutableCategorizedProperty Implements IMutableCategorizedPropertyItem Methods Name Description constructor(record: PropertyRecord, parentSelectionKey: string, parentCategorySelectionKey: string, depth: number, gridItemFactory: IMutableGridItemFactory, overrideName?: string, overrideDisplayLabel?: string): MutableCategorizedArrayProperty getChildren(): IMutableCategorizedPropertyItem[] getDescendantsAndSelf(): IMutableFlatGridItem[] Gets a flat list of all FlatGridItems beneath this flat grid item including itself in depth first visiting order. getVisibleDescendants(): IMutableFlatGridItem[] Gets a flat list of visible FlatGridItems beneath this flat grid item. getVisibleDescendantsAndSelf(): IMutableFlatGridItem[] Gets a flat list of visible FlatGridItems beneath this flat grid item and itself in depth first visiting order. Inherited methods Name Inherited from Description getDescendants(): IMutableFlatGridItem[] Protected MutableCategorizedProperty getLastVisibleDescendantOrSelf(): IMutableFlatGridItem MutableCategorizedProperty getSelf(): IMutableCategorizedPropertyItem MutableCategorizedProperty Properties Name Type Description type Accessor ReadOnly Array Inherited properties Name Type Inherited from Description _isExpanded Protected boolean MutableCategorizedProperty _isLastInRootCategory Protected boolean MutableCategorizedProperty _lastInNumberOfCategories Protected number MutableCategorizedProperty [DRAFTABLE] boolean MutableCategorizedProperty depth Accessor ReadOnly number MutableCategorizedProperty derivedRecord Accessor ReadOnly PropertyRecord MutableCategorizedProperty Record with overriden property description. isExpanded Accessor boolean MutableCategorizedProperty key Readonly string MutableCategorizedProperty label Accessor ReadOnly string MutableCategorizedProperty parentCategorySelectionKey Accessor ReadOnly string MutableCategorizedProperty parentSelectionKey Accessor ReadOnly string MutableCategorizedProperty selectionKey Accessor ReadOnly string MutableCategorizedProperty Unique selection key made of parent selectionKey and this property name. Defined in ui/components/src/ui-components/propertygrid/internal/flat-items/MutableCategorizedArrayProperty.ts Line 17 Last Updated: 11 June, 2024