While everyone is separated into their respective breakout rooms, the host and participants can use the chat feature to message everyone in the meeting, members of the breakout room, or the host of the meeting.
Sending an in-meeting public chat
1. Click Chat in the bottom menu bar.
2. Select With everyone.
3. Input your message in the chat box and send.
Sending an in-meeting breakroom chat
1. Click Chat in the bottom menu bar.
2. Select This room.
3. Input your message in the chat box and send.
Sending an in-meeting breakroom private chat to the host