How to block an audience member form commenting during a live webinar?

During a live webinar, a host can block someone from commenting:

1. Click "Text Chat" to show the text chat window.
2. Right click on the name you want to block and choose "Block User".
   The user will no longer be allowed to comment during your webinar.

If you want to unblock someone:

1. Go to "Settings".
2. In "Text Chat", click "Unblock" beside the person you want to unblock.