API Reference > ui-core > Dialog > MessageBoxProps MessageBoxProps Interface Properties for the MessageBox component Extends CommonProps Properties Name Type Description buttonCluster DialogButtonDef[] List of DialogButtonDef objects specifying buttons and associated onClick events contentClassName undefined | string Custom CSS class name for the content contentStyle undefined | React.CSSProperties Custom CSS Style for the content height string | number initial height of dialog. minHeight undefined | number minimum height that the dialog may be resized to. minWidth undefined | number minimum width that the dialog may be resized to. modal undefined | false | true Whether to show background overlay. onClose undefined | () => void onClick event for X button for dialog onEscape undefined | () => void 'keyup' event for key opened boolean whether to show dialog or not severity MessageSeverity Severity of MessageBox title string | Element Title to show in title bar of dialog width string | number initial width of dialog. 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/messagebox/MessageBox.tsx Line 31 Last Updated: 13 June, 2024