OTCv8 Open Next Backpack When Empty

--If backpack is empty, this will open next backpack of same type
    local mainBp = 8860 --Brocade BP use ID
    --For every container open, get information on open containers
    for i, container in pairs(getContainers()) do
        --Get the IDs of every open container
        containerItemId = container:getContainerItem():getId()
        --If the containerItemID is equal to one of the open containers then
        if containerItemId == mainBp then
            --If the amount of items in the container is equal to 1 then
            if container:getItemsCount() == 1 then
                --Search every item ID in the container
                for _, item in ipairs(container:getItems()) do
                    --If one of the items in the container is equal to your backpack id, then
                    if item:isContainer() then
                        --Open up the backpack
                        g_game.open(item, container)
                    end
                end
            end
        end
    end