API Reference > ui-core > Tree > ExpansionToggleProps ExpansionToggleProps Interface Properties for the ExpansionToggle component Extends CommonProps Properties Name Type Description data-testid undefined | string isExpanded undefined | false | true onClick undefined | (e: MouseEvent<HTMLDivElement>) => void Inherited properties Name Type Inherited from Description className undefined | string ClassNameProps Custom CSS class name style undefined | React.CSSProperties CommonProps Custom CSS style properties Defined in ui/core/src/ui-core/tree/ExpansionToggle.tsx Line 18 Last Updated: 13 June, 2024