API Reference > ui-core > Expandable > ExpandableBlockProps ExpandableBlockProps Interface Properties for the ExpandableBlock React component Extends CommonProps Properties Name Type Description caption undefined | string Additional text displayed in the block below the label and in a smaller font size isExpanded boolean Indicates whether the ExpandableBlock is expanded onClick MouseEventHandler<HTMLDivElement> Callback function for click event onKeyDown undefined | KeyboardEventHandler<HTMLDivElement> Callback function for key down event onKeyPress undefined | KeyboardEventHandler<HTMLDivElement> Callback function for key press event title string | Element Label tooltip undefined | string Custom tooltip for the component. Beta Inherited properties Name Type Inherited from Description className undefined | string CommonProps Custom CSS class name style undefined | CSSProperties CommonProps Custom CSS style properties Defined in ui/core/src/ui-core/expandable/ExpandableBlock.tsx Line 17 Last Updated: 29 November, 2022