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Editorial Team
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Asked: 2026-06-11T19:25:59+00:00

I’m just getting into event-driven architectures and would like to know what the convention

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I’m just getting into event-driven architectures and would like to know what the convention is for naming commands and events. I know this much: Commands should be in the form DoSomething while events should be in the form SomethingHappened. What I need to clarify is if I need to append the word ‘Command’ to my commands and ‘Event’ to my events e.g. DoSomethingCommand as opposed to just DoSomething and SomethingHappenedEvent as opposed to just SomethingHappened. I would also like to know what the rationale is behind the community-preferred convention. Thanks!

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  1. Editorial Team

    The Command and Event suffixes are optional and are a matter of preference. I prefer to omit them and try to make the intent evident from the name alone. The most important aspect of naming commands and events is making sure they reflect the business domain more so than the technical domain. A lot of times terms like Create, Update, Add, Change are far too technical and have less meaning in the business domain. For example, instead of saying UpdateCustomerAddress you can say RelocateCustomer which could have a larger business context to it.

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