private.xml

<?xml version="1.0"?>
<root>
  <item>
    <name>Map Function keys to match Apple</name>
    <identifier>private.itunes_fkeys</identifier>
    <autogen>__KeyToConsumer__ KeyCode::F1, ConsumerKeyCode::BRIGHTNESS_DOWN</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F2, ConsumerKeyCode::BRIGHTNESS_UP</autogen>
    <autogen>__KeyToKey__ KeyCode::F3, KeyCode::EXPOSE_ALL</autogen>
    <autogen>__KeyToKey__ KeyCode::F4, KeyCode::LAUNCHPAD</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F5, ConsumerKeyCode::KEYBOARDLIGHT_LOW</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F6, ConsumerKeyCode::KEYBOARDLIGHT_HIGH</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F7, ConsumerKeyCode::MUSIC_PREV</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F8, ConsumerKeyCode::MUSIC_PLAY</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F9, ConsumerKeyCode::MUSIC_NEXT</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F10, ConsumerKeyCode::VOLUME_MUTE</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F11, ConsumerKeyCode::VOLUME_DOWN</autogen>
    <autogen>__KeyToConsumer__ KeyCode::F12, ConsumerKeyCode::VOLUME_UP</autogen>
  </item>
</root>