API Reference > imodeljs-frontend > Views > Viewport > changeViewedModels changeViewedModels Method Attempt to replace the set of models currently viewed by this viewport, if it is displaying a SpatialView changeViewedModels(modelIds: Id64Arg): boolean note This function only works if the viewport is viewing a SpatialViewState, otherwise it does nothing. note This function does not load any models. If any of the supplied modelIds refers to a model that has not been loaded, no graphics will be loaded+displayed in the viewport for that model. see Viewport.replaceViewedModels for a similar function that also ensures the requested models are loaded. Parameter Type Description modelIds Id64Arg The Ids of the models to be displayed. Returns - boolean false if this Viewport is not viewing a SpatialViewState Defined in core/frontend/src/Viewport.ts Line 805 Last Updated: 12 June, 2024