protected function getDeliveryExecutionId()
    {
        $request = \Context::getInstance()->getRequest();

        $deliveryExecutionId = '';
        if ($request->hasParameter('deliveryExecution')) {
            $deliveryExecutionId = \tao_helpers_Uri::decode(
                $request->getParameter('deliveryExecution')
            );
        } elseif ($request->hasParameter('testServiceCallId')) {
            $deliveryExecutionId = \tao_helpers_Uri::decode(
                $request->getParameter('testServiceCallId')
            );
        } elseif ($request->hasParameter('serviceCallId')) {
            $deliveryExecutionId = \tao_helpers_Uri::decode(
                $request->getParameter('serviceCallId')
            );
        }

        return $deliveryExecutionId;
    }