plugin.xml

<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.4"?>
<plugin>
     <extension
         point="org.eclipse.ui.actionSets">
      <actionSet
            id="zenMode.actionSet"
            label="Zen Mode Action Set"
            visible="true">
         <menu
               id="sampleMenu"
               label="Sample &amp;Menu">
            <separator
                  name="zenModeGroup">
            </separator>
         </menu>
         <action
               class="melcher.ToggleFullscreenAction"
               id="melcher.ToggleFullscreenAction"
               label="Toggle Fullscreen"
               menubarPath="Help/zenModeGroup"
               tooltip="Toggle Fullscreen">
         </action>
         <action
               class="melcher.ToggleTaskbarAction"
               id="melcher.ToggleTaskbarAction"
               label="Toggle Taskbar"
               menubarPath="Help/zenModeGroup"
               tooltip="Toggle Taskbar">
         </action>
         <action
               class="melcher.TogglePartTitleAction"
               id="melcher.TogglePartTitleAction"
               label="Toggle PartTitle"
               menubarPath="Help/zenModeGroup"
               tooltip="Toggle PartTitle">
         </action>
      </actionSet>
   </extension>
</plugin>