API Reference > presentation-frontend > Core > PresentationManager > loadHierarchy loadHierarchy Method Beta Loads the whole hierarchy. loadHierarchy(requestOptions: HierarchyRequestOptions<IModelConnection>): Promise<void> Parameter Type Description requestOptions HierarchyRequestOptions<IModelConnection> options for the request. If requestOptions.priority is not set, it defaults to RequestPriority.Preload. Returns - Promise<void> A promise object that resolves as soon as the load request is queued (not when loading finishes) Defined in presentation/frontend/src/PresentationManager.ts Line 230 Last Updated: 13 June, 2024