Game Input MultipleXer

I read in http://gimx.fr/forum/viewtopic.php?f=9&t=952 that the letter g could be assigned to:
<axis id="acc x +" label="fix flashlight">
<device type="keyboard" id="0" name=""/>
<event type="button" id="g"/>

How can I do that on the PS4, I can't find the "acc x +" ?

Thanks

It doesn't work yet: https://github.com/matlo/GIMX/issues/292

Ok thank's for that reassuring answer, I was starting to feel a total spaz not finding the proper control ! Issue #292 is a year old, even if this feature is not critical for my game play, do you intend to provide support for it or it's simply not worth it ? I guess you are fairly buzy !!!

The macros still elude me, even after reading the wiki... are there more examples or easier how to(s) ?

Thank's !

It's not a top priority, but I hope it can be fixed in a future release.

There is no other documentation about macros.