Imbo\Auth\AccessControl\Adapter\Mongo::addAccessRule PHP Method

    public function addAccessRule($publicKey, array $accessRule)
    {
        try {
            $result = $this->getAclCollection()->updateOne(['publicKey' => $publicKey], ['$push' => ['acl' => array_merge(['id' => $id = new MongoId()], $accessRule)]]);
            return (string) $id;
        } catch (MongoException $e) {
            throw new DatabaseException('Could not update rule in database', 500, $e);
        }
    }