The opportunity name generated is based of the Payment Form - field: Payment Type, plus the Contacts name and the Close Date.
If you wish to assign your own naming convention, then you can add a custom Flow that updates the Opportunity - Name field.
How can I change the Opportunity Name?
Why is the Account missing on the Payment Txn?
What date is used on the opportunity close date?
How can I change the Opportunity Name?
Working with State and Country/Territory Picklists
Why do I get duplicate contacts when using NPSP
Why is the Payment Txn stuck on Matching Start Status?
Updated at July 27th, 2024