You have various options when configuring the instance list:
You can use a
role concept
to define which user is allowed to see the instance list of the executed application.
You can
configure which columns should be displayed
in the instance list and also
display custom data
(e.g. from forms).
PAS Designer User Guide
BPMN Model
Running Designer Applications
Creating a Process Instance
Showing the Instance List
PAS Designer Developer Guide
Data Table