Given that events play such a central role in event-driven architecture, there’s an astonishing lack of agreement on what should be contained in an event. This may be rooted in the fact that, depending on your perspective, events fulfill different purposes. In a system that follows event-driven architecture in its contemporary style, microservices collaborate by emitting and subscribing to events. (Please note this article only talks about events that are “published” from one domain for others t...