API Reference > imodeljs-backend > Elements > Element > populateRequest populateRequest MethodStatic Beta Disclose the codes and locks needed to perform the specified operation on this element populateRequest(req: ConcurrencyControl.Request, props: ElementProps, _iModel: IModelDb, opcode: DbOpcode, original: ElementProps | undefined): void Parameter Type Description req ConcurrencyControl.Request the request to populate props ElementProps the version of the element that will be written _iModel IModelDb the iModel opcode DbOpcode the operation original ElementProps | undefined a pre-change copy of the element. Passed only in the case of Update. Returns - void Defined in core/backend/src/Element.ts Line 81 Last Updated: 13 June, 2024