Extending TaskOutput for a Human Activity with WebDynpro UI

Dear Experts,
For my process I need to change some data object values in my context using WebDynpro UI. For that I would typically use a Human Activit with WebDynpro and some output mappings on
TaskOutput->UIResponse->MyTaskCompleteEvent->xxx.
But in my case I don't want to close the task. I want to use a different Event for the mapping without completing the task. Something like:
TaskOutput->UIResponse->MyTaskChangeContextEvent->xxx
But I couldn't find a way to extend the TaskOutput and UIResponse to be able to use other custom events for output mapping.
I would appreciate any help.
Thanks,
Koray
Edited by: korayyersel on Aug 19, 2011 9:49 AM

Ok, you can not update the BPM context without completing the task. You can have temporary data store in CAF (with default data source or external data source) and you can store/retrieve the data temporarily using JPA (Java Persistence API).
You can refer the below link for more details: http://help.sap.com/saphelp_nwce72/helpdata/en/47/d67d5357a34ac5e10000000a42189d/content.htm
http://help.sap.com/saphelp_nwce72/helpdata/en/4a/9e7b9845816c3de10000000a42189c/content.htm
So you can call EJB/Web Service from WD task to save the changes and when user reopens the task you can retrieve the data from DB and show to it to the user.
Thanks
Abhilash

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