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.
Unfortunately the short answer would be no.
There are of course alternative ways that would allow you to do this.
1st - using 2 forms, one for donation and another with products
2nd - using the fields to capture everything and just pass the value to the payment processor
Depending on how you want to set your form up, one of the two might be preferable to you over the other, but here are the guides that will show you how to setup each:
Of course, if you have any issues setting it up, or some questions along the way, we are here, so feel free to let us know of the same :)