The moderator of the discussion will be able to invite viewers to a video discussion. Viewers will not be a part of the discussion but can view the discussion on a livestream. The viewers will have a backroom to chat with the moderators helping them steer the direction of the conversation.
You can invite viewers into a discussion, by clicking the invite viewers button and entering the email address of the viewers you want to invite, make sure to use one email address per line.
You can enable this feature by going to video discussion page and following the steps below: