API Reference > ui-framework > Frontstage > FrontstageProps > contentManipulationTools contentManipulationTools contentManipulationTools: undefined | ReactElement<ZoneProps, string | JSXElementConstructor<any>> The Zone in the top-left corner that shows tools typically used to query and modify content. To be used in place of deprecated topLeft zone definition. @beta Defined in ui/framework/src/ui-framework/frontstage/Frontstage.tsx Line 79 Last Updated: 29 November, 2022