How to get InputVariable payload from Dehydration

I have a BPEL process, taking instanceID as input.Based on instanceID it has to bring inputVariable Payload(large xml data) from dehydration database.
I have to provide this inputVariable payload to some other PartnerLink....
I guess payload may store in XML_DOCUMENT , AUDIT_DETAILS tables.. thats why I read BLOB but I was failed to read....
Is this correct way to get payload?
Is there any other way to get payload XML?
Please help
its very urgent....
Message was edited by:
user594804
Message was edited by:
user594804

yeah, xml_document is the right place for most of the time, but based on size/type of process sometime I find it somewhere else also.
I was able to to read blob from xml_doc and marshall the object. I believe the easiest way would be to get primary key of xml_document by joining cube_isntance and other tables and then use getXMLDocument BPEL Client API to get input XML payload.
HTH,
Chintan

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