API Reference > ui-components > PropertyGrid > IMutableFlatGridItem IMutableFlatGridItem Type alias Beta Type which describes mutable GridCategoryItem or CategorizedProperty IMutableFlatGridItem = IMutableCategorizedPropertyItem | IMutableGridCategoryItem Defined in ui/components/src/ui-components/propertygrid/internal/flat-items/MutableFlatGridItem.ts Line 214 Last Updated: 12 June, 2024