alf/plugins/ui/org.eclipse.papyrus.uml.alf.preferences/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
   <extension
         point="org.eclipse.ui.preferencePages">
      <page
            category="org.eclipse.papyrus.embeddededitors"
            class="org.eclipse.papyrus.uml.alf.preferences.AlfIntegrationPreferences"
            id="org.eclipse.papyrus.uml.alf.preferences.alf_preferences"
            name="Alf (Action Language for Foundational UML)">
      </page>
   </extension>

</plugin>