private.xml example to trigger a custom script using bluetooth remote using Karabiner, I'm using it with my Qmote from @qblinks

private.xml

<?xml version="1.0"?>
<root>
  <vkopenurldef>
   <name>KeyCode::VK_OPEN_URL_SHELL_whatever</name>
   <url type="shell">
     <![CDATA[  /bin/bash ~/whatever.sh    ]]>
   </url>
  </vkopenurldef>
  <item>
    <name>Set remote trigger for ~/whatever.sh</name>
    <appendix>Swap right arrow keystroke, triggered by a remote, with executing ~/whatever.sh</appendix>
    <identifier>private.whatever</identifier>
    <block>
       <!-- As far as I'm concerned, I should only exclude my apple keyboard -->
      <device_not>DeviceVendor::APPLE_COMPUTER, DeviceProduct::ANY</device_not>
      <autogen>
        __KeyToKey__
        KeyCode::CURSOR_RIGHT,
        KeyCode::VK_OPEN_URL_SHELL_whatever,
      </autogen>
    </block>
  </item>
</root>