If you created a session, the next step is to invite people or groups to follow your session. 

How can you do this?

  1. go to Learn 
  2. click on Manage 
  3. click on Courses
  4. click on the course your session is in 
  5. click on manage students 
  6. select the session. 

If you want to invite a group, you need to click top right on Enroll group.
If you want to invite users, click Enroll existing User