Spatie\Newsletter\NewsletterListCollection::getDefault PHP 메소드

    public function getDefault()
    {
        foreach ($this->items as $newsletterList) {
            if ($newsletterList->getName() === $this->defaultListName) {
                return $newsletterList;
            }
        }
        throw InvalidNewsletterList::defaultListDoesNotExist($this->defaultListName);
    }