API Reference > ui-components > Tree > AbstractTreeNodeLoader > updateModel updateModel MethodProtected A method that's called when load loads some nodes and we need to put them into model source. The default implementation simply puts loaded child nodes under their parent at correct positions. Concrete implementation may override this method to handle loaded nodes in a a custom way (put them at custom locations in the hierarchy, etc.) updateModel(loadedHierarchy: LoadedNodeHierarchy): void Parameter Type Description loadedHierarchy LoadedNodeHierarchy Returns - void Defined in ui/components/src/ui-components/tree/controlled/TreeNodeLoader.ts Line 92 Last Updated: 11 June, 2024