API Reference > ui-components > PropertyGrid > IMutablePropertyGridModel IMutablePropertyGridModel Interface Beta PropertyGridModel interface for working with mutable FlatGridItems Implemented by MutablePropertyGridModel Methods Name Description getFlatGrid(): IMutableFlatGridItem[] getItem(selectionKey: string): IMutableFlatGridItem getRootCategories(): IMutableGridCategoryItem[] getVisibleFlatGrid(): IMutableFlatGridItem[] Defined in ui/components/src/ui-components/propertygrid/internal/PropertyGridModel.ts Line 29 Last Updated: 29 November, 2022