Eclipse Adding toolbars to trim areas

<plugin>
   <extension point="org.eclipse.ui.menus">
      <menuContribution locationURI="toolbar:org.eclipse.ui.trim.status">
         <toolbar id="test.trim.status.toolbar" />
      </menuContribution>
      <menuContribution locationURI="toolbar:test.trim.status.toolbar">
         <command commandId="org.eclipse.ui.file.exit" style="push" />
      </menuContribution>
   </extension>
</plugin>