API Reference > ui-core > Expandable > ExpandableListProps ExpandableListProps Interface Properties for ExpandableList component Extends CommonProps Properties Name Type Description defaultActiveBlock undefined | number Index of the default active block singleExpandOnly undefined | boolean Indicates whether to allow only one expanded block singleIsCollapsible undefined | boolean Indicates whether the single expanded block is collapsible 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/ExpandableList.tsx Line 17 Last Updated: 29 November, 2022