Forminator PayPal issue

Hello, I have created a form on my website with Forminator that can be used to accept PayPal payments. This works quite well so far. However, I cannot assign the payments to the payer because the fields filled out in the form are not transmitted to PayPal except for the amount and do not appear there. How can I ensure that the name and customer number of the payer also appear in the PayPal statements?

The page I need help with: [log in to see the link]