Pattern applied to the message. Other parameters depends on this pattern NO HCI (DYNAMIC-)ROUTER pattern: XPath test. If the test successes, the corresponding 'Consumes' service is invoked. SPLITTER(-GATHER) pattern: XPath expression to split the incoming xml WIRE-TAP pattern: exchange way on which the message should be copied and sent to the monitoring service AGGREGATOR pattern: XPath condition applied to complete the sequence so that the process continue AGGREGATOR pattern: XPath condition that is applied on the incoming message to correlate them If true, a fault thrown by a target exchange don't stop the process and don't change the original exchange status to FAULT If true, an exception thrown by a target exchange don't stop the process and don't change the original exchange status to ERROR If true,the in message is ignored and the pattern work on each file into the list of attachments into the original exchange