Here is the solution. Hope it will help you
const { registerPlugin } = wp.plugins; const { PluginDocumentSettingPanel } = wp.editPost; const MyDocumentSettingTest = () => ( <PluginDocumentSettingPanel className="my-document-setting-plugin" title="My Panel"> <p>My Document Setting Panel</p> </PluginDocumentSettingPanel> ); registerPlugin( 'document-setting-test', { render: MyDocumentSettingTest } );