local config = {
    storage = 38477,
    position = {x = 1085, y = 1073, z = 10},
    time = 240 -- Uno secondas
}

function onUse(cid, item, frompos, item2, topos)
     if getGlobalStorageValue(config.storage) >= os.time() then
        doPlayerSendCancel(cid, "The coffin is empty.")
     else
        if item.actionid == 667 then
            doSummonCreature("Vampire",  config.position)
            doPlayerSendTextMessage(cid, MESSAGE_INFO_DESCR, "A vampire have been awakened.")
            setGlobalStorageValue(config.storage, os.time() + config.time)
        end
     end
     return TRUE
end