src/Amadeus/Client/Session/Handler/SoapHeader4.php
protected function getActionFromWsdl($wsdlFilePath, $messageName)
    {
        $wsdlId = $this->getWsdlIdFor($messageName);

        return WsdlAnalyser::exaluateXpathQueryOnWsdl(
            $wsdlId,
            $wsdlFilePath,
            sprintf(self::XPATH_OPERATION_ACTION, $messageName)
        );
    }
protected function getActionFromWsdl($wsdlFilePath, $messageName)
    {
        $wsdlId = $this->getWsdlIdFor($messageName);

        return WsdlAnalyser::exaluateXpathQueryOnWsdl(
            $wsdlId,
            $wsdlFilePath,
            sprintf(self::XPATH_OPERATION_ACTION, $messageName)
        );
    }
Get the SOAPAction for a given message from the WSDL contents.

@param string $wsdlFilePath
@param string $messageName
@return string|null