During an online event, you have the option to show or hide the number and nickname of the people connected to it on your Live stream window.
Your event has only one live session:
If your event has only one session the options are directly visible on LIVE STREAMING > Live streams > Show hide connections.
Your event has several sessions :
Like the event below, you have several live stream sessions.
Go to the back office, LIVE STREAMING tab > on the first page "Live streams" click on the session of your choice to make its options appear. By default the connections are visible.
Click on "Show connections" > "No" to hide them.