src/Amadeus/Client/Session/Handler/Base.php
protected function executeMethodOnSoapClientForMsg($msgName, $method)
    {
        $result = null;
        $soapClient = $this->getSoapClient($msgName);

        if ($soapClient instanceof \SoapClient) {
            $result = $soapClient->$method();
        }

        return $result;
    }
protected function executeMethodOnSoapClientForMsg($msgName, $method)
    {
        $result = null;
        $soapClient = $this->getSoapClient($msgName);

        if ($soapClient instanceof \SoapClient) {
            $result = $soapClient->$method();
        }

        return $result;
    }
Execute a method on the native SoapClient

@param string $msgName
@param string $method
@return null|string