API Reference > ui-framework > Frontstage > FrontstageProps > topLeft topLeft topLeft: undefined | ReactElement<ZoneProps, string | JSXElementConstructor<any>> The Zone in the top-left corner. @deprecated Use 'contentManipulationTools' property. Defined in ui/framework/src/ui-framework/frontstage/Frontstage.tsx Line 62 Last Updated: 12 June, 2024