Lua How to add Couldown to a Teleport Scroll

[Blysco]

My Scirpt i want a Couldown for it !
Please help me

local newpos = {x=32369, y=32241, z=7}

function onUse(cid, item, frompos, item2, topos)
local inFight = hasCondition(cid, CONDITION_INFIGHT)
if not inFight then
doSendMagicEffect(getPlayerPosition(cid),1)
doTeleportThing(cid,newpos)
local tele = doCreateTeleport(1387, newpos, frompos) -- Creates teleport
addEvent(doRemoveItem, 5000, tele.uid) -- Removes teleport after 5 seconds
doCreatureSay(cid, "Teleportet back to Thais !" ,1)
else
doPlayerSendTextMessage(cid,25,"You can't use the teleport scroll if you are PZ LOCKED!!")
return true
end

    end