How set prefix.

[Hexer10]

Hello,
I've created a cs go server and I want to be able to set prefix Es: my name: is Hexer10 and I want to set my prefix to [sAdmin] and the resultate became [sAdmin]Hexer10.
Thank a lot and sorry for my english but I'm Italian!

[checkster]

You need a plugin for that.
https://forums.alliedmods.net/showthread.php?p=1922088
You can edit what it says either in a cfg or in the source, I have not used this plugin.