I`m afraid to disappoint you, but there are almost no info about advanced coding for dcs mods. only separate isolated posts from enthusiast, not from dcs devs(of course this is not relates to official 3rd parties).
Thats huge dangerous for newbie modmakers, they start to do something, and when time comes to serious works - efm, systems etc they understand they cant do it. time wasted, effort starts melt, and RIP mod... there are a lot of such examples :(
For me good point that someone at least try to do something (sadly my russian community in this total silent, there are just absent any of project with EFM), thats why I like current pakfa project.