src/Amadeus/Client.php
public function pnrAddMultiElements(RequestOptions\PnrAddMultiElementsOptions $options, $messageOptions = [])
    {
        $msgName = 'PNR_AddMultiElements';

        return $this->callMessage($msgName, $options, $messageOptions);
    }
public function pnrAddMultiElements(RequestOptions\PnrAddMultiElementsOptions $options, $messageOptions = [])
    {
        $msgName = 'PNR_AddMultiElements';

        return $this->callMessage($msgName, $options, $messageOptions);
    }
PNR_AddMultiElements - Create a new PNR or update an existing PNR.

https://webservices.amadeus.com/extranet/viewService.do?id=25&flavourId=1&menuId=functional

@param RequestOptions\PnrAddMultiElementsOptions $options
@param array $messageOptions (OPTIONAL)
@return Result
@throws Client\InvalidMessageException
@throws Client\RequestCreator\MessageVersionUnsupportedException
@throws Exception