How do I update the pod selection criterion?

Hi,

I´ve created a service plugin that starts after a button click in the pod. So when I enter an sfc A in the sfc field I start the service plugin. Its purpose is to replace sfc A through an sfc B during the starting process. Everythink works fine, Sfc B appears in the worklist. Now, my problem is that sfc A is still entered in the sfc field of the pod.

Does anybody know how to change the inputId in the sfc field? Something like updating the pod selection criterion and so on...?

Thanks,

Olga