DarkRP class for a certain SteamID

How do I make it so only a certain player can use a job?

http://forum.facepunch.com/showthread.php?t=1091610&p=30044500&viewfull=1#post30044500
Check that out.

I dont know how to do it tho

That explains it just do what the post tells you to do.

I cant find sh_commands.lua

darkrp\gamemode\shared
Find that.

Don’t do it that way. Use customCheck.
These might be helpful to you:
http://forum.darkrp.com/threads/how-to-i-add-two-groups-to-1-job.282/#post-1094
http://wiki.darkrp.com/index.php/DarkRP:CustomJobFields
http://wiki.darkrp.com/index.php/DarkRP:Factions