API Reference > iModeljs-backend > Models > Model > onUpdateElement onUpdateElement MethodProtectedStatic Beta Called when an Element in an instance of a Model of this class is about to be updated. onUpdateElement(_arg: OnElementInModelPropsArg): void note throw an exception to disallow the update note If you override this method, you must call super. note this is the class of the Model holding the element Parameter Type Description _arg OnElementInModelPropsArg Returns - void Defined in core/backend/src/Model.ts Line 223 Last Updated: 11 June, 2024