This help article explains how to bulk approve and decline attendee requests, as well as approve multiple cancellation requests.
Choose the relevant activity in the 'Activities' screen.
Click on the three dots next to the activity, followed by 'View activity'.
Use the check box function on the left of the screen to select attendees as required. Attendees can be selected individually or in bulk.
Once selected, click the three dots above the attendee column, followed by your preferred action. You can approve and decline attendees, as well as approve cancellations.
When prompted, simply confirm your chosen action to proceed.