Add a participant
In the meeting, type the name of the participant you want to add in the search bar.
Select the participant's name from the search results.
Select Request to join. 
Pin a participant
When you want to focus on specific participant(s), select their name(s) on the room console, then Pin for me.
Note: This will only pin the video for the room, not for others in the meeting.
Remove a participant from the meeting
To remove someone from a meeting, select their name on the room console, then Remove from meeting.
