API Reference > ui-framework > Backstage > useIsBackstageOpen useIsBackstageOpen Function Beta Hook that returns isOpen flag of the backstage. useIsBackstageOpen(manager: BackstageManager): boolean Parameter Type Description manager BackstageManager Returns - boolean Defined in ui/framework/src/ui-framework/backstage/BackstageManager.tsx Line 74 Last Updated: 29 November, 2022