plugins/org.eclipse.eef.properties.ui/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension-point id="eefTabDescriptorProvider" name="%eefTabDescriptorProviderExtensionPoint.name" schema="schema/eefTabDescriptorProvider.exsd"/>

</plugin>