[Loot]

pawn Код:

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
    if(newkeys & KEY_CROUCH) // C
    {
        // add the code to join a group - i.e
        SetPlayerHealth(playerid,0);
    }
    return 1;
}

I'm not sure if horn at G possible since that's the only way to actually horn in a var.