edit:
function
function teleportBack(position)
if getPlayerStorageValue(cid, 5040) == -1 then
setPlayerStorageValue(cid, 5210, -1)
doTeleportThing(cid, position)
doSendMagicEffect(getCreaturePosition(cid), CONST_ME_TELEPORT)
end
end
and
addEvent(teleportBack, cfg.timer*60*5...