Lua check item in container

[Sigoles]

how to check if inside containers have items??


tried:

local i = 0
    local v = getContainerItem(uid, i)   
    if item and item:isContainer() then
        if v ~= 0 then
            print(v)
    self:getPosition():sendMagicEffect(CONST_ME_POFF)
            return   
        end
    end

no work


tfs 1.2

 

[imkingran]

container:getItemHoldingCount()