You can add up to 2 custom questions by editing the Cart, Checkout, Single Address Entry Pages:
  1. Go to Fundraising > eCommerce and click on the "Stores" tab
  2. Next to the store in question click "Edit"
  3. Go to step 12, "Configure Standard Pages"
  4. Next to "Cart, Checkout, Single Address Entry Pages" click "Edit"
  5. Check the box next to "Ask for a primary media source code" to add a single question, and then check the box next to "Ask for a secondary media source code" to add a second question.
  6. Scroll down to the "Media Codes" section
  7. For "Primary media code prompt", enter the text of the question that will appear to the constituent.
  8. For "Choices for primary media code" enter in choices, if applicable. If you leave this section blank, the question will be free-form. You can ignore the link information
  9. Repeat this process for the "Secondary media code" if applicable.
These questions will appear on the Cart page, before reaching Billing Information.