[Opah]

i did this
under OnPlayerKeyStateChange
if(PRESSED(KEY_FIRE))
{
SetTimer(bla,bla,bla);
}
forward bla(bla);
public bla(bla)
{
TogglePlayerControllable(playerid,0);
//Code
TogglePlayerControllable(playerid,1);
}
but not working
what i'm i doing wrong