<mythmenu name="LinHES">

   <button>
     <type>BACKUP</type>
     <text>Do you wish to backup?</text>
     <action>NONE</action>
   </button>

   <button>
     <type>BACKUP</type>
     <text>Yes</text>
     <action>EXEC sudo /usr/LH/bin/mythbackup</action>
   </button>
   
   <button>
     <type>BACKUP</type>
     <text>No</text>
     <action>MENU linhes.xml</action>
   </button>
</mythmenu>