Use this code to hide certain fields when users are editing forms. The fields will still be visible in the admin area when editing entries.

If you would like users to enter a coupon code in a form and get a discount depending on the code they entered, use this code example. In order for this code to work, you will need to create a new form and add a single line text field for the discount amount. Submit an entry for a discount amount. The coupon code will go in the entry key box. Submit a new entry for each coupon code.