pibarnas' xml part

<keybind key="C-A-Delete" chroot="true">
      <keybind key="r">
        <action name="Execute">
          <prompt>Reiniciar o sistema?</prompt>
          <execute>reboot</execute>
        </action>
      </keybind>
      <keybind key="x">
        <action name="Execute">
          <prompt>Desligar o sistema?</prompt>
          <execute>poweroff</execute>
        </action>
      </keybind>