Moderators have the option of requiring attendees to enter some sort of ID information before joining their session (learn more about that here). By default the ID field that moderators can require is just "Name" but as the Admin you have the ability to create additional ID fields that the moderators can require from attendees.
To add additional ID Fields, click "Attendee Identification Fields" from the Admin Dashboard.
Below the Default (Name) Field you can add additional labels. In this example we added "Email" and "ID Number" as additional fields to potentially request from attendees. You can also create drop-down choice fields.
After you have created identification fields, within each session (when signed in as a moderator), you can decide which Identification Fields you want to prompt the user to provide. To do so, go to Session Settings as a moderator. Look for the option called Attendee Required Fields and designate which fields that attendees will be required to answer before they can join (interact) with that particular session.
If the moderator makes all of these options required, this is what attendees will see when they try to enter the session.
*New for 2017 - Drop-down Choices
You can also create identification fields that offer drop-down choices. For example, perhaps you'd like to require the Country or the department of users. To do so, use the vertical bar (pipe symbol) when defining your field. In the example that follows, "Country" is the name of the field and the available choices that users can select will be: Canada, United Kingdom and United States.
After defining a drop-down choice and setting it as required within a session, users will see a prompt like the following:
Note: Attendee ID information is never visible within the app, it will only appear on the data spreadsheet that the moderator can export afterwards. In other words, users don't have to worry whether their poll responses or social Q&A submissions will show their name inside the app. That information is only reported via the special data export option.