API Reference > imodeljs-backend > iModels > IModelTransformer > hasElementChanged hasElementChanged MethodProtected Returns true if a change within sourceElement is detected. hasElementChanged(sourceElement: Element, targetElementId: Id64String): boolean note A subclass can override this method to provide custom change detection behavior. Parameter Type Description sourceElement Element The Element from the source iModel targetElementId Id64String The Element from the target iModel to compare against. Returns - boolean Defined in core/backend/src/IModelTransformer.ts Line 213 Last Updated: 13 June, 2024