API Reference > imodeljs-backend > Elements > Element > onDelete onDelete MethodProtectedStatic Called before an Element is deleted. onDelete(arg: OnElementIdArg): void note throw an exception to disallow the delete note If you override this method, you must call super. note this is the class of the Element to be deleted Parameter Type Description arg OnElementIdArg Returns - void Defined in core/backend/src/Element.ts Line 240 Last Updated: 29 November, 2022