Problemkerze
Problemkerze
Note: Would be nice if this was a event-wide-variable so that other payment plugins could use this argument, too.
I disagree. Nearly every payment system has an intended purpose where you usually state an invoice number. For the books of the event creator, some kind of prefix may be...
It's not a duplicate. #1846 is about changing the price after a registration for various reasons. This issue is about more flexible pricing depending on various conditions during the registration.