Here shows a way to be recorded by a person in the breakout room.
(The breakout room can't do the cloud recording. )
1. Settings > Recording
Turn on "ホストおよび参加者はローカルファイルにミーティングを記録することができます (Host or participant can record the meeting in a local file. )"
2. Give "共同ホスト(Co-host)" or "レコーディングの許可(Permission to record)" to a recording person in the meeting.
3. You can record locally in the breakout room.
(You can only record locally. )
【About the cloud recording and local recording】
・In the cloud recording, anyone who has the permission can record in only main room. (Normally, the meeting host record. )
・The breakout room can only do the local recording.
・In the local recording, anyone who has the permission can record.
Because of the state you are recording on their own account,it can only recording room which you are participating.