Overview The following sections describe the messages used for private request and response document exchange in TIBCO BusinessConnect SOAP Protocol. • For RV Messages, message fields are packaged in the ^data^ tag as part of the aeRvMsg format. • For JMS messages, these values are part of the node message. See aeRvMsg Message Format and JMS Message Format in TIBCO BusinessConnect Concepts. Private process messages are described in this chapter: • Initiator Messages • Responder Messages • Advisory Message The following nodes can be included in private messages: • Attachment Type • TradingPartner Type • Attributes • SOAPFault • WS-Addressing • XOP • AuthenticationToken