Requirement is to get the appointment details of an user from his outlook calendar whose mail id you provide in the flow.
PDN Link : https://pdn.pega.com/correspondence/integrating-with-outlook-calendars.

Steps to Reproduce :

1. Create a sample flow.
2. in the flow action provide the OOTB action name "GetAppointmentList".
3. Run the flow and give one email id of any user who has outlook installed in his system and meetings already scheduled in his calendar.
4. Now run the flow and provide his email id (as screenshots in the attachment).
5. Flow getting terminated without showing his meeting schedule in the outlook calendar.