Karabiner Consumer Key Remapping

private.xml

<?xml version="1.0"?>
<root>
    <item>
        <name>Plus Volume Up</name>
        <identifier>private.plus_and_fn_volume_up</identifier>
        <autogen>
            --KeyToConsumer--
            KeyCode::EQUAL, ModifierFlag::CONTROL_L,
            ConsumerKeyCode::VOLUME_UP
        </autogen>
	 <autogen>
            --KeyToConsumer--
            KeyCode::EQUAL, ModifierFlag::CONTROL_R,
            ConsumerKeyCode::VOLUME_UP
        </autogen>

    </item>
    <item>
        <name>Minus Volume Down</name>
        <identifier>private.minus_and_control_volume_down</identifier>
        <autogen>
            --KeyToConsumer--
            KeyCode::MINUS, ModifierFlag::CONTROL_L,
            ConsumerKeyCode::VOLUME_DOWN
        </autogen>
	<autogen>
            --KeyToConsumer--
            KeyCode::MINUS, ModifierFlag::CONTROL_R,
            ConsumerKeyCode::VOLUME_DOWN
        </autogen>
    </item>
    

    <item>
        <name>Play/Pause :: CTL + Backspace</name>
        <identifier>private.bksp_ctl_play_pause</identifier>
        <autogen>
            --KeyToConsumer--
            KeyCode::DELETE, ModifierFlag::CONTROL_L,
            ConsumerKeyCode::MUSIC_PLAY
        </autogen>
    	<autogen>
            --KeyToConsumer--
            KeyCode::DELETE, ModifierFlag::CONTROL_R,
            ConsumerKeyCode::MUSIC_PLAY
        </autogen>

    </item>
</root>