Notification::list

public function list(array $filter = []): ?array
{
	$result = $this->notificationList;

	if ($filter['type'] !== null)
	{
		foreach ($result as $key => $item)
		{
			if ($item['type'] !== $filter['type'])
			{
				unset($result[$key]);
			}
		}
	}

	return $result;
}