[Garr]

PAWN is an easy language to learn, I'd suggest opening up sa-mp wiki and typing any functions you don't understand into the search bar and it will tell you exactly what it does.

Also read through these if you don't understand the basics of scripting.

https://sampwiki.blast.hk/wiki/Scripting_Basics
https://sampwiki.blast.hk/wiki/Category:Scripting_Functions