I'm missing documentation for creating custom actions. Forms, Schema's, Tables and Infolists all have their dedicated section detailing how to create custom actions in V4. I have a lot of them in V3 style, but i'm curious if something has changed, or if I'm missing something.
For example, looking at the documentation for testing actions I see an example where a simple action class just returns an Action from the make method. This is different than what we do, extending the