If I create an order form for my cookie business, if there is a way to onlyninvoice 50% of order amount?

I was wondering, if I create an order form for my cookie business, if there is a way to onlyninvoice 50% of order amount?  My state does not allow full payment up front and wonder if there is a way to do this?

You can add a 50% discount coupon function in the payment field. Here's how: How-to-Add-Coupon-Code-to-Payment-Forms.

You may also create the products section outside the payment field. In this way, you have control over the calculations and conditions. After that, you can just pass the calculation value to the payment field. Here's a guide: How-to-Pass-a-Calculation-to-a-Payment-Field.

Here's another guide: How-to-Perform-Form-Calculation-Using-a-Widget.

Hope that helps. Thank you.