API Reference > imodeljs-frontend > Views > Viewport > changeModelDisplay changeModelDisplay Method Add or remove a set of models from those models currently displayed in this viewport. changeModelDisplay(models: Id64Arg, display: boolean): 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 display is true and any of the supplied models refers to a model that has not been loaded, no graphics will be loaded+displayed in the viewport for that model. see Viewport.addViewedModels for a similar function that also ensures the requested models are loaded. Parameter Type Description models Id64Arg display boolean Whether or not to display the specified models in the viewport. Returns - boolean false if this Viewport is not viewing a SpatialViewState Defined in core/frontend/src/Viewport.ts Line 1063 Last Updated: 13 June, 2024