Many of you probably C+P'ed the "addClientCommand" out of mod_sa, it's easy to use and has one annoying thing to it.. It is the internal SA:MP limit of commands, you can actually bypass this pretty easy and do your own "command handler" which will also classify you as !337 l33t hax0r.
First you need to know how SA:MP handles commands, basically if the input text of the editcontrol on the chatgui contains a "/" it scans through the internal list of commands and if it can't find one it'll send the request to the server.
This is where we come in, it's actually pretty easy to go between the call and do your own magic.
Today I will present you how, you should have a little experience tho I won't bother explaining everything here.