API Reference > components-react > Toolbar > CustomToolbarItem > keepContentsLoaded keepContentsLoaded keepContentsLoaded: undefined | boolean If true the popup panel is mounted once and unmounted when button is unmounted. If false the content node is unmounted each time the popup is closed. Defined in ui/components-react/src/components-react/toolbar/ToolbarWithOverflow.tsx Line 38 Last Updated: 20 June, 2023
