function onStepIn(cid, item, position, fromPosition)
if isPlayer(cid) and item.uid == 1234 then
if getPlayerLevel(cid) < 50 then
doPlayerSendTextMessage(cid,21,"It works !")
else
doPlayerSendCancel(cid,21,"You need to be below level 50.")
doTeleportThing(cid, fromPosition)...