If the time of your course is in the past (at least 1 hour old), in edit mode a “Finish” button will appear instead of a “Book” button.

This is only displayed to the course instructor (map owner).

If you click on the “Finish” button, the following dialog appears:

There you can also view a preview of the certificate of participation.

If you confirm by clicking on “Finish Course”, the following appears:

An email with a link to the certificate of participation will be automatically sent to all participants.