new Pickup;
public OnFilterScript / GameModeInit()
{
   Pickup = CreatePickup(...);
}
public OnplayerPickUpPickup(playerid, pickupid)
{
   if(pickupid == Pickup)
   {
       if(GetPlayerMoney(playerid) < 500) return SendClientMessage(playerid, 0xFF0000FF, \"Nincs elég pénzed!\");
       GivePlayerWeapon(playerid, weaponid, ammo);
       GivePlayerMoney(playerid, -500);
   }
}