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.


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    How do I add a 'custom amount' section in a paypal form where they can choose one donation level from several options or enter a custom amount

    Asked by kaufmaneb on July 15, 2015 at 02:55 PM
    How do I add a 'custom amount' section in a paypal form where they can choose one donation level from several options or enter a custom amount 
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    JotForm Support

    Answered by david on July 15, 2015 at 02:58 PM

    Hi,

    Yes it is possible to achieve your requirement. Here are the steps you should follow:

    #1. Instead of displaying the donation options in the PayPal question, you can add the products in a check box question.

    #2. Add a text box to collect the specific donation amount or "Allow Other" option for the checkbox field.. 

    #3. Add a "Form Calculation" widget in your form to calculate the total amount of membership and donation.

    http://www.jotform.com/help/301-How-to-Assign-Calculation-Value

    http://www.jotform.com/help/259-How-to-perform-calculation-in-the-form

    #4. Add PayPal payment question in your form and set it to read the amount from the calculation widget. The following guide should help you how to pass calculation to PayPal payment question:  http://www.jotform.com/help/275-How-to-pass-a-calculation-to-a-payment-field 

    Please check the screenshot below for all the steps:

     

    Hope this helps.

    Do get back to us if you have any questions.