DocumentHandler::getUrlForAuthorizeInTokenService

public function getUrlForAuthorizeInTokenService($mode = 'modal');

/**
 * Request and store access token (self::accessToken) for self::userId
 * @return $this
 */
abstract public function queryAccessToken();

/**
 * @return string
 */
public function getAccessToken()
{
	return $this->accessToken;
}