API Reference > presentation-components > Tree > UnifiedSelectionTreeEventHandlerParams UnifiedSelectionTreeEventHandlerParams Interface Data structure that describes parameters for UnifiedSelectionTreeEventHandler Properties Name Type Description collapsedChildrenDisposalEnabled undefined | boolean Specifies whether children should be disposed when parent node is collapsed or not. editingParams undefined | TreeEditingParams Parameters used for node editing. name undefined | string Unique name for SelectionHandler to avoid handling events raised by itself. nodeLoader AbstractTreeNodeLoaderWithProvider<IPresentationTreeDataProvider> Node loader used to load children when node is expanded. Defined in presentation/components/src/presentation-components/tree/controlled/UseUnifiedSelection.ts Line 27 Last Updated: 12 June, 2024