nuxeo-platform-virtualnavigation-web-2023.18.9.jar /OSGI-INF/directorytreemanager-contrib.xml
<extension point="trees" target="org.nuxeo.ecm.webapp.directory.DirectoryTreeService">
<directoryTree contentView="bySubjectsContentView" field="subjects" label="base.navigation.subjects" name="bySubjectsNavigation" outcome="subjects_virtual_navigation" schema="querynav">
<directory>topic</directory>
<directory>subtopic</directory>
</directoryTree>
<directoryTree contentView="byCoverageContentView" field="coverage" label="base.navigation.coverage" name="byCoverageNavigation" outcome="coverage_virtual_navigation" schema="querynav">
<directory>continent</directory>
<directory>country</directory>
</directoryTree>
</extension>