<div class="wiki-content maincontent"><p><strong>ActiveMQ Messages support the following default message properties:</strong></p><h2>Message Attributes Accessed as Properties:</h2><table><tbody><tr><th colspan="1" rowspan="1"><p>Property Name</p></th><th colspan="1" rowspan="1"><p>Type</p></th><th colspan="1" rowspan="1"><p>Default Value</p></th><th colspan="1" rowspan="1"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1"><p><code>JMSDestination</code></p></td><td colspan="1" rowspan="1"><p><code>javax.jms.Destination</code></p></td><td colspan="1" rowspan="1"><p><em>Set by the producer</em></p></td><td colspan="1" rowspan="1"><p>Destination used by the producer.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSReplyTo</code></p></td><td colspan="1" rowspan="1"><p><code>javax.jms.Destination</code></p></td><td colspan="1" rowspan="1"><p><code>null</code></p></td><td colspan="1" rowspan="1"><p>User defined.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSType</code></p></td><td colspan="1" rowspan="1"><p><code>String</code></p></td><td colspan="1" rowspan="1"><code>""</code></td><td colspan="1" rowspan="1"><p>User defined.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSDeliveryMode</code></p></td><td colspan="1" rowspan="1"><p><code>int</code></p></td><td colspan="1" rowspan="1"><p><code>DeliveryMode.PERSISTENT</code></p></td><td colspan="1" rowspan="1"><p>Indicator if messages should be persisted.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSPriority</code></p></td><td colspan="1" rowspan="1"><p><code>int</code></p></td><td colspan="1" rowspan="1"><p><code>4</code></p></td><td colspan="1" rowspan="1"><p>Value from <code>0-9</code>.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSMessageID</code></p></td><td colspan="1" rowspan="1"><p><code>String</code></p></td><td colspan="1" rowspan="1"><p><code>unique</code></p></td><td colspan="1" rowspan="1"><p>Unique identifier for the message.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSTimestamp</code></p></td><td colspan="1" rowspan="1"><p><code>long</code></p></td><td colspan="1" rowspan="1"><p><em>Time the message was sent</em></p></td><td colspan="1" rowspan="1"><p>Time in milliseconds.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSCorrelationID</code></p></td><td colspan="1" rowspan="1"><p><code>String</code></p></td><td colspan="1" rowspan="1"><p><code>null</code></p></td><td colspan="1" rowspan="1"><p>User defined.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSExpiration</code></p></td><td colspan="1" rowspan="1"><p><code>long</code></p></td><td colspan="1" rowspan="1"><p><code>0</code></p></td><td colspan="1" rowspan="1"><p>Time in milliseconds to expire the message. A value of <code>0</code> means never expire.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSRedelivered</code></p></td><td colspan="1" rowspan="1"><p><code>boolean</code></p></td><td colspan="1" rowspan="1"><p><code>false</code></p></td><td colspan="1" rowspan="1"><p><code>true</code> if the message is being resent to the consumer, persisted via <u><link><page ri:content-title="Per Destination Policies"></page><plain-text-link-body>persistJMSRedelivered</plain-text-link-body></link></u></p></td></tr></tbody></table><h2>JMS Defined:</h2><table><tbody><tr><th colspan="1" rowspan="1"><p>Property Name</p></th><th colspan="1" rowspan="1"><p>Type</p></th><th colspan="1" rowspan="1"><p>Default Value</p></th><th colspan="1" rowspan="1"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1"><p><code>JMSXDeliveryCount</code></p></td><td colspan="1" rowspan="1"><p><code>int</code></p></td><td colspan="1" rowspan="1"><p><code>0</code></p></td><td colspan="1" rowspan="1"><p>Number of attempts to send the message.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSXGroupID</code></p></td><td colspan="1" rowspan="1"><p><code>String</code></p></td><td colspan="1" rowspan="1"><p><code>null</code></p></td><td colspan="1" rowspan="1"><p>Identity of the message group.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSXGroupSeq</code></p></td><td colspan="1" rowspan="1"><p><code>int</code></p></td><td colspan="1" rowspan="1"><p><code>0</code></p></td><td colspan="1" rowspan="1"><p>Sequence number of the message.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSXProducerTXID</code></p></td><td colspan="1" rowspan="1"><p><code>String</code></p></td><td colspan="1" rowspan="1"><p><code>null</code></p></td><td colspan="1" rowspan="1"><p>Transaction identifier.</p></td></tr></tbody></table><h2>ActiveMQ Defined:</h2><table><tbody><tr><th colspan="1" rowspan="1"><p>Property Name</p></th><th colspan="1" rowspan="1"><p>Type</p></th><th colspan="1" rowspan="1"><p>Default Value</p></th><th colspan="1" rowspan="1"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1"><p><code>JMSActiveMQBrokerInTime</code></p></td><td colspan="1" rowspan="1"><p><code>long</code></p></td><td colspan="1" rowspan="1"><p><code>0</code></p></td><td colspan="1" rowspan="1"><p>Time stamp (in milliseconds) for when the message arrived at the broker.</p></td></tr><tr><td colspan="1" rowspan="1"><p><code>JMSActiveMQBrokerOutTime</code></p></td><td colspan="1" rowspan="1"><p><code>long</code></p></td><td colspan="1" rowspan="1"><p><code>0</code></p></td><td colspan="1" rowspan="1"><p>Time stamp (in milliseconds) for when the message left the broker.</p></td></tr></tbody></table></div>