Unfamiliar stranger

[cp_yap]

Hi Sir/Maam,

During my meeting with my students, there is an unfamiliar name enter the waiting room.  The person wrote a vulgar word as display name.  After awhile, the person left - May I know how to detect the ID of this stranger?

Thank you.

Vickie CP Yap

[Rupert]

Replied under https://community.zoom.com/t5/Primary-and-Secondary/Unfamiliar-stranger/m-p/16433#M194