Blazej,
If you require an "enrollment key" for your course, simply stop issuing keys after your course is filled. You can post a note on the site homepage that XYZ course is closed to further enrollment.
Hope this is useful,
Bryan
Blazej,
If you require an "enrollment key" for your course, simply stop issuing keys after your course is filled. You can post a note on the site homepage that XYZ course is closed to further enrollment.
Hope this is useful,
Bryan