Events : Create an Event : Enable or Disable Anonymous Questions for a Webcast Event
  
Enable or Disable Anonymous Questions for a Webcast Event
If Q&A is enabled for an event, you may also specify if attendees are able to submit questions anonymously or if they must submit them anonymously.
 
*To enable or disable anonymous questions:
1. Navigate to User > Events > Add Event > Enable Q&A checkbox.
2. Q&A must be enabled first before you are able to specify anonymous questions settings.
3. Select your Allow Anonymous Questions checkbox preference.