ProxyRequest::query

public function query(array $params = array())
{
	if ($this->useDirectQuery)
	{
		return $this->directQuery($params);
	}

	$methodName = static::REST_METHOD_PREFIX . '.' . $params['methodName'];
	$parameters = $params['parameters'];
	$engine = new EngineBitrix();
	if (!$engine->isRegistered())
	{
		return false;
	}
	$parameters['proxy_client_id'] = $this->getAuthAdapter()->getClientId();
	$parameters['lang'] = LANGUAGE_ID;

	$transport = $engine->getInterface()->getTransport();
	if ($params['timeout'])
	{
		$transport->setTimeout($params['timeout']);
	}
	$response = $transport->call($methodName, $parameters);
	if ($response['result']['RESULT'])
	{
		return $response['result']['RESULT'];
	}
	if ($response['error'])
	{
		throw new InvalidOperationException($response['error_description'] ? $response['error_description'] : $response['error']);
	}
	return [];
}