Transition of data between a "user task" and "service Task"

I need to make a transition of data between a user task and service Task. As I can do?

Thank you very much
consulta.doc (33 KB)

Hi:

In fact, you already have a transition between task1 and task2. You must define inputs & outputs for both tasks.
the input of the task service (the service itself) must match the output of the task1.

Hope this help.

Regards.