L2ItemInstance item = owner.getInventory().getItemByItemId(_summon.getItemConsumeIdInTime());
if(item != null && item.getCount() >= _summon.getItemConsumeCountInTime())
{
_consumeCountdown = _itemConsumeDelay;
L2ItemInstance dest = owner.getInventory().destroyItemByItemId(_summon.getItemConsumeIdInTime(), _summon.getItemConsumeCountInTime(), true);
owner.sendPacket(new SystemMessage(SystemMessage.A_SUMMONED_MONSTER_USES_S1).addItemName(dest.getItemId()));
}
else
{
owner.sendPacket(Msg.SINCE_YOU_DO_NOT_HAVE_ENOUGH_ITEMS_TO_MAINTAIN_THE_SERVITORS_STAY_THE_SERVITOR_WILL_DISAPPEAR);
_summon.unSummon();