QName service = getQNameAttribute(namespaceContext, element, "service");
QName interfaceName = getQNameAttribute(namespaceContext, element, "interface");
QName operation = getQNameAttribute(namespaceContext, element, "operation");
InOnly outExchange = component.createInOnlyExchange(service, interfaceName, operation);
NormalizedMessage out = outExchange.createMessage();
outExchange.setInMessage(out);
transformer.setParameter("out", out);