API Reference > ui-components > Tree > PagedTreeNodeLoader > load load MethodProtected Schedules to load one page of node children and returns an Observable. Note: It does not start loading node page until '.subscribe()' is called on returned Observable. load(parentNode: TreeModelNode | TreeModelRootNode, childIndex: number): Observable<LoadedNodeHierarchy> Parameter Type Description parentNode TreeModelNode | TreeModelRootNode childIndex number Returns - Observable<LoadedNodeHierarchy> Defined in ui/components/src/ui-components/tree/controlled/TreeNodeLoader.ts Line 171 Last Updated: 13 June, 2024