JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
I did not completely understood which Facebook feature you would like to use on your form. However, I suggest you to have a look following guidances and let us know if these do not works for your situation.
1. This is about adding a form to your Facebook page.
2. This is about collecting information from the user Facebook account.
Feel free to contact us for any issue you may have.