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

local _VAL = 10 -- value of upgrade, example damage is 100 boost + 5 = damage 150
local _ALLOWEDS = {} -- example {2723, 8329, 8921}

    if isInArray(_ALLOWEDS, itemEx.itemid) then
        setWandExtraDmg(itemEx, _VAL)
        doSendMagicEffect(fromPosition, 28)
        doRemoveItem(item.uid, 1)
        doSendAnimatedText(fromPosition, "+ 1", math.random(210, 250))
    end

    return true
end