API Reference > ui-components > Tree > BeInspireTreeDataProviderInterface BeInspireTreeDataProviderInterface<TPayload> Interface Deprecated Use ControlledTree instead. Will be removed in iModel.js 3.0. Signature for BeInspireTree data provider Methods Name Description getNodes(parent?: TPayload, page?: PageOptions): BeInspireTreeDataProviderPromise<TPayload> getNodesCount(parent?: TPayload): Promise<number> Defined in ui/components/src/ui-components/tree/deprecated/component/BeInspireTree.ts Line 141 Last Updated: 29 November, 2022