Square: How to send the transaction ID to the one who submits the form?

Hi. I recently just intergrated Square Payments through JotForm. 

Question: After a customer makes a payment using this integration with Square, how can I make it to where the customer will receive a receipt of their payment? I already turned this feature on through Square (see screen print below).

P.S. There is no where where a customer can enter their email address so that they can receive an email receipt....?

It will use the email field of your form to send an auto response email to the email address of the submitter. Kindly add an email field to your form and setup an auto response by following this guide https://www.jotform.com/help/26-Setting-up-an-Autoresponder-Email.

Then follow the steps here https://www.jotform.com/answers/1287365-Square-How-to-send-receipt-with-transaction-ID to add your transaction ID to your auto response email.

Let us know if you have any questions or if you need further assistance.