In the Users option, you can choose to create event adminstrators. Event administrators can only view and edit the events they have access to. Select Create new event administrator.

Username: Enter a username – for instance the person's email address.

Email: Fill in the email address of the person you want to set as an administrator and then fill in their first and last name.

Events - select one or more events that the person should have permission to view and edit. To finish select Save. An email is sent to the person who can verify the action and create a password.