function onUse(cid, item, fromPosition, itemEx, toPosition)


local doorID = 9999
local doorID_OPEN = 9999

    local seconds = 10

    if itemEx.itemid == doorID then
        addEvent(doTransformItem, seconds * 1000, item.uid, doorID)
        doTransformItem(item.uid, doorID_OPEN)
    else
        doPlayerSendTextMessage(cid, 27, "Sorry, wrong key.")
    end

    return true
end