It was - I was asking the same question before.
You have to add order=##
See the example below.
</ label="cab screen", help="video = video snap, screenshot = game screenshot", options="video, screenshot", order=1 /> cabScreenType="video";
</ label="scanlines on screen", help="show scanlines effect on cab screen.", options="light,medium,dark,off", order=2 /> enable_scanlines="light";