Purchase/Registration: Contact Details
The Contact Details tab is used to set up the information you ask bidders to complete. Some information: the bidder's email address and name are always asked for.
Others are optional, you can also opt to make these fields required:
Cell phone number
Meal Choice. Meal Choices are offered in a drop down list. Meal choices are defined from the dashboard - Website -> Bidder Registration settings. See Customizing Giving Tuesday
You can also ask for additional fields: