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api-guidelines/asynchronous-api-guidelines/core-asynchronous-principles/commands.md
2024-05-10 09:32:22 +00:00

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# Commands
A command is a special type of message which represents just an action, something that will change the state of a given system.
* There is a clear expectation about a state change that needs to take place in the future
* When returning a response indicate completion
* Optionally they can include a result in the response
* Very common to see them in orchestration components