ESB response mapping using request data

Hello all,
I've an ESB routing service that invokes a SOAP service sinchronously an the gives the response back. Do you know if there is a way for to use mapping data from the request when mapping the response?
I know you can use data from the request sent to the SOAP service using the ESBREQUEST variable but can you have access to the data received as a request to the routing service?
Thanks in advance,
Regards

Data enrichment is difficult to achieve since you cannot declare variables in Oracle ESB project to store temporary data. ALSB does have such a mechanism.
The ESBREQUEST parameter can solve this problem in some cases in Oracle ESB. However if you need process data from "earlier on in your ESB flow" that won't do. Some possibilites are: use BPEL instead of ESB to implement such composite services since BPEL can store process data. However, this will give a apreformance penalty since ESB is faster. Or use a hack in which you disable payload validation in ESB (default is already off), concatenate the original XML data to the SOAP service input data, and now you can access the original data through ESBREQUEST. However, this is a hack (you're sending invalid XML according to the XSD of the SOAP service) and the XSL Mapping tool won't be able to visually display the mapping.
Regards, Ronald

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