How do I link an invoice to an appointment?

[Rumor]

A client scheduled an appointment so I created an invoice from the Invoices tab. Their payment went thru, but the appointment on my calendar did not record it. When I manually recorded the payment, a new transaction was created. Now my transaction records are off. Is there a way to apply an invoice to an appointment(s) post-payment and/or link an invoice to an appointment pre-payment?

[Minion]

Hi @Rumor , 

I don't believe that there is a way to directly connect an invoice and appointment itself as far as I am aware. The payment and invoice will show up under their customer profile, but to directly create an invoice from said appointment isn't an option as of today.