API Reference > ui-framework > Frontstage > StagePanelDef > panelState panelState Accessor Panel state. Defaults to PanelState.Open. panelState: StagePanelState Returns - StagePanelState Setter Panel state. Defaults to PanelState.Open. panelState(panelState: StagePanelState): void Parameter Type Description panelState StagePanelState Returns - void Defined in ui/framework/src/ui-framework/stagepanels/StagePanelDef.tsx Line 121 Last Updated: 12 June, 2024