This documentation is for WSO2 Enterprise Service Bus version 4.7.0 . View documentation for the latest release.

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On completion of the aggregation, the Aggregate mediator will merge all collected messages and invoke the onComplete sequence on it. The merged message will be created using the XPath expression specified by the attribute expression on the onComplete element.

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NOTE TO WRITERS: The following note is based on the FAQ http://docs.wso2.org/wiki/display/FAQ/Mediators#Mediators-Iterate. If you make changes to the note, be sure to make changes in the original FAQ as well.

Note  Note that the responses will not necessarily be aggregated in the same order that the requests were sent, even if you set the sequential attribute to true on the Iterate mediator.

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