Menu\Items\ItemList::setOption PHP Method

    public function setOption($option, $value)
    {
        // forward item config values to the items
        if (Str::startsWith($option, 'item.')) {
            foreach ($this->children as $child) {
                $child->setOption($option, $value);
            }
        } elseif (Str::startsWith($option, 'item_list.')) {
            $this->options = ArraysMethods::set($this->options, $option, $value);
        } else {
            Menu::setOption($option, $value);
        }
        return $this;
    }