External (inter-domain) vs internal (domain) events was super useful to understand.

If you’re trying some idealised event driven architecture I feel this book, and later either Domain Modelling Made Functional (F#) or Domain Driven Design with .NET core could be of use (though this definitely does enough detail on its own).

I think the external events imho are the only must have though. Within the micro service or domain I don’t think event driven is necessarily cleaner or easier Vertical Slice, Clean/Onion, or even layered.