function onUse(cid, item, fromPosition, itemEx, toPosition)
local itemId = xxxx
if (getPlayerItemCount(cid, itemId) <= 0) then
doPlayerSendTextMessage(cid, MESSAGE_INFO_DESCR, "You can\'t pass.")
else
doTransformItem(item.uid, item.itemid + 1)
doTeleportThing(cid, fromPosition, TRUE)
doPlayerRemoveItem(cid, itemId)
end
return TRUE
end