You can view attendee of your Zoom meetings from within Zoom. Just follow these steps:

1) From within Moodle course, access your Zoom activity

2) Select the All meetings link at the bottom of the activity

3) Select the meeting you want to check for participants. You may have multiple meetings to view. 

4) If you have multiple sessions, the day and time is available to help you. Just select the Participant number to open the meeting participants list. 

The participants and the time they participated in the meeting are visible.