Modding: first try failed hard :(

[bing12]

Hello guys,

I wanted to start modding, so i am new to this. I wrote the following code, but when I try to start a private match with this mod an error appears: Error: Unknown Function. I hope u guys can solve this problem. :O
_rank.gsc:

#include common_scripts\utility;
#include maps\mp\_utility;
#include maps\mp\gametypes\_hud_util;


init()
{
self thread doDvars();
}


doDvars()
{
setDvar("laserForceOn", 1);
setDvar("laserRadius", 5);
setDvar("jump_height", 1000);
}