# Purchase/Registration - Contact Details
This User Guide page is relevant for the Old Website Editor only.
The Contact Details tab is used to set up the information you ask to be completed for bidders. Some information, such as the bidder's email address and name, is always asked for.
Others pieces of information are optional although you can opt to make these fields required: Cell phone number; Address; and, Meal Choice.Meal Choices are offered in a drop down list to the purchaser.
Meal choices are defined under the Bidder Registration > Registration Options settings available from under Website or Bidders > Online Features.
You can also ask for the following additional information:
- Seating Preference