API Reference > imodeljs-backend > Models > OnElementInModelIdArg OnElementInModelIdArg Interface Beta Argument for the Model.onXxxElement static methods that supply the Id of an Element for a Model. Extends OnModelIdArg Properties Name Type Description elementId string The Id of the Element for the affected Model Inherited properties Name Type Inherited from Description iModel IModelDb OnModelIdArg The iModel for the Model affected. id string OnModelIdArg The Id of the Model affected Defined in core/backend/src/Model.ts Line 59 Last Updated: 11 June, 2024