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TIBCO Rendezvous® 8.7.0

# REGISTRATION.DISCOVERY

Advisory

## Subject Name Syntax

    _RV.INFO.RVCM.REGISTRATION.DISCOVERY.subject

## Purpose

A listener presents this advisory when it discovers a new (previously unfamiliar) sending CM transport.

## Remarks

Discovery occurs when a listening CM transport receives a labeled message from a CM sender that is not listed in the listener’s ledger. Four things happen as a result (not necessarily in this order):

| • | Rendezvous software queues the inbound message (but this message is not itself certified).

| • | Certified delivery software adds the sender’s name to the listener’s ledger, as a source of messages on the subject.

| • | The listener automatically requests certified delivery of the subject from the sender.

| • | The listener presents this advisory message.

The `subject` element is the subject name of the certified message. The subject often consists of several elements, so the wildcard character `">"` (rather than `"*"`) is the correct way to match all subjects in this position.

## Message Fields

Field Name | Description
`subject` | The subject name of the inbound message that caused discovery. It is identical to the `subject` element. This field has datatype `TIBRVMSG_STRING.`
`sender` | The name of the new sender. This field has datatype `TIBRVMSG_STRING.`

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