How To Create Custom Form For Payment Process On Cs Cart Checkout Page

i want to create a custom payment form on the checkout page that sends a final request to fn_create_payment_form and handle the response

Custom fields can be added through payment method template

ow i meant how to send the data i got from custom payment templete to the backend so that i can use it on the finally request that needed to be sent with order id and other paramaters

It depends on the "processor_script" parameter. For example, in Stripe addon the data is sent to the following script