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Messaging and ESB
Implementing Messaging : Managing connections and sessions : Accessing message delivery parameters

Accessing message delivery parameters

Message delivery parameters set on the Session object are used as defaults for all messages sent in that session. The default can be changed by setting the parameters of the call to publish procedure, the call to sendToQueue procedure, or the call to requestReply procedure. These values cannot be changed after the beginSession procedure is called.
The following table lists the methods for setting and getting delivery parameters.
Table 18. Setting and getting delivery parameters
* Setting the maximum number of messages
* Discardable messages