How to store in DB all the outputs of a multi-instantiated task

Hi,

I’m trying to learn Bonita and I have done a task which is multi-instantiated so all the users in a group have to make it:
All of them fulfill a form with a couple of Text parameters to store in the database, but only the last one doing it actually updates the database.
I know I have to use the option in iteration pannel “Store output results” but I’m not sure on how to use it to store all the data.

Thank you in advance.