I copied the way of registering methods from https://github.com/MinecraftForge/MinecraftForge/blob/d3f01843f7e7a4f613b5e8113d381fd8747b4343/src/main/java/net/minecraftforge/fml/common/eventhandler/EventBus.java#L65
@idk-my-name You would have to add new fields to existing module instances. You could perhaps do that by unregistering the target module and replacing it with a new extended instance.
@ali00035 not really, just a place where i can store some custom settings that isnt a module, like the vanilla settings, but i guess i'll just use modules