how do i specify the paypal to orders they create in jotform

Seems like you want to know how to integrate Paypal in a jotform?

Here are some guides to know how:

http://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form

http://www.jotform.com/help/50-PayPal-Forms

http://www.jotform.com/help/323-Mastering-Payment-Form-Integrations-with-JotForm