API Reference > ui-framework > Frontstage > PanelStateChangedEventArgs PanelStateChangedEventArgs Interface Panel State Changed Event Args interface. Properties Name Type Description panelDef StagePanelDef panelState StagePanelState Defined in ui/framework/src/ui-framework/stagepanels/StagePanelDef.tsx Line 33 Last Updated: 12 June, 2024