rcp/contexts/org.eclipse.rcptt.ctx.workbench.ui/plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
  <extension
        point="org.eclipse.rcptt.ui.viewers">
     <viewer
           class="org.eclipse.rcptt.ctx.workbench.ui.views.WorkbenchViewer"
           icon="IMG_ETOOL_DEF_PERSPECTIVE"
           type="org.eclipse.rcptt.ctx.workbench">
     </viewer>
  </extension>
</plugin>