API Reference > imodeljs-backend > Models > OnModelPropsArg OnModelPropsArg Interface Beta Argument for the Model.onXxx static methods that supply the properties of a Model to be inserted or updated. Extends OnModelArg Properties Name Type Description props Readonly<ModelProps> The new properties of the Model affected. Inherited properties Name Type Inherited from Description iModel IModelDb OnModelArg The iModel for the Model affected. Defined in core/backend/src/Model.ts Line 35 Last Updated: 12 June, 2024