# sidebar.pages.defaultOpen

Part of [Sidebar](https://kernstra.com/docs/web-sdk/config/sidebar) in the Kernstra Web SDK 1.0.0 configuration reference.

- Type: `boolean`
- Default: `true`
- Page: https://kernstra.com/docs/web-sdk/config/sidebar/pages-defaultopen

Start open where the sidebar pushes the document aside; it always starts closed as a drawer.

Web page: https://kernstra.com/docs/web-sdk/config/sidebar/pages-defaultopen