API Reference > appui-react > Widget > WidgetProps > 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 tooltip is not explicitly set. Defined in ui/appui-react/src/appui-react/widgets/WidgetProps.tsx Line 22 Last Updated: 20 June, 2023