<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<pie_menu
 name="Mute Particle Pie">
  <pie_slice
     enabled="false"
     label="Mute Part. Own."
     name="Mute Particle">
    <pie_slice.on_click
     function="Particle.Mute" />
    <pie_slice.on_enable
     function="EnableMuteParticle" />
  </pie_slice>
</pie_menu>
