Gush\ThirdParty\Gitlab\Adapter\GitLabRepoAdapter::updatePullRequest PHP Метод

    public function updatePullRequest($id, array $parameters)
    {
        if (isset($parameters['assignee'])) {
            $assignee = $this->client->api('users')->search($parameters['assignee']);
            if (count($assignee) === 0) {
                throw new \InvalidArgumentException(sprintf('Could not find user %s', $parameters['assignee']));
            }
            $this->client->api('merge_requests')->update($this->getCurrentProject()->id, $id, ['assignee_id' => current($assignee)['id']]);
        }
    }