API Reference > ui-framework > Backstage > BackstageItemProps > tooltipKey tooltipKey tooltipKey: undefined | string if set, it is used to define a key that is used to look up a localized string. This value is used only if label is not explicitly set. Defined in ui/framework/src/ui-framework/backstage/BackstageItemProps.tsx Line 37 Last Updated: 12 June, 2024