How to access property mediator outside iterator which is defined inside iterator?
问题 I have treed as below <iterate xmlns:oag="http://www.openapplications.org/oagis/10" xmlns:fn="http://www.w3.org/2005/xpath-functions" continueParent="true" preservePayload="true" attachPath="//ProcessCredit/DataArea" expression="//ProcessCredit/DataArea/Credit sequential="true"> ..... <property xmlns:ns="http://org.apache.synapse/xsd" xmlns:oa="http://www.openapplications.org/oagis/10" name="ChargeTransactionKey" expression="concat(get-property('operation','ChargeTransactionKey'),//Extension