1. Classroom mode is a mode where both teacher and participants can write on their own smartboard simultaneously.
2. Host must start live collaboration to use this mode.
3. Share the session code for participant to join.
4. From participant view, insert the session code in join collab menu if joining via code. Click join.
5. Host has to grant approval in order to let participant join the collaboration.
6. On host side, go to Participant Menu - Allow User - Select 'Allow' button to allow user participate in the session.