Lua transform item and set item:decay()

[roriscrave]

how can i use transform and set itemdecay?
im trying it, i want the new transformed item, have a decay, item(12569).
it transform correct, but get error in decay

function onUse(player, item, fromPosition, target, toPosition, isHotkey)
    if item.itemid == 12568 then
        item:transform(item.itemid + 1):decay()
    end
    return true
end

Lua Script Error: [Action Interface]
data/actions/scripts/test.lua:onUse
data/actions/scripts/test.lua:3: attempt to index a boolean value
stack traceback:
        [C]: in function '__index'
        data/actions/scripts/test.lua:3: in function <data/actions/scripts/test.lua:1>

 

[Infernum]

The original item pointer still valid after transform() is called.
Just use item:transform(item.itemid + 1) then item:decay().