What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Here are the steps to integrate your form to paypal:
1. Add Calculation Widget that will compute the Total amount ordered by your client.
2. Setup your Calculation widget formula: (Birthday Cake * 45) + (Pie * 20).
2. Hide the Calculation Widget so user cannot see this field.
3. Add Paypal Payment field.
4. Setup Paypal Payment to Collect Donations/Custom Amount Payments, uncheck This is a donation. We are a non-profit organization. option and set Get Amount From to the Calculation Widget field.
Do let us know if you need further assistance.