API Reference > appui-layout-react appui-layout-react Change Log The appui-layout-react package contains React components for application user interface layouts following the Bentley 9-Zone pattern. Topics Name Description Backstage Classes for working with a Backstage Footer Classes for working with a Footer or Status Bar Message Classes for working with Messages Popup Classes for working with a Popup Toolbar Classes for working with a Toolbar Utilities Utility classes for working with the 9-Zone pattern Widget Classes for working a Widget Zone Classes for working a Zone All Displays the contents of all topics in this package. Last Updated: 17 November, 2021