To collect copay from your patients, please select an appointment from the calendar screen and click on the "Billing" tab:
You'll notice that the copay is $0 with a $20 copay. To adjust this, please click on the blue + button.
A pop-up window will appear with the copay automatically pulled in. You're now able to add it to a line item, change the provider, payment method, payment type, and even edit the copay amount:
After clicking "Add", you'll be able to view it in the Patient Payments screen.