The Envelope UDR is included in the Received UDR. The following fields are included in the Envelope UDR:
Field | Description |
|---|---|
deliveryTag (long) | This field contains the server-assigned and channel-specific delivery tag. |
exchange (string) | This fields contains the name of the exchange used. |
isRedeliver (boolean) | This field indicates that the message has been previously delivered to this or another client. |
routingKey (string) | This field contains the routing key. |