Should nServiceBus messages contain objects or just simple types and strings?

You can send nested data containers within your messages, i. E data transfer objects, but they shouldn't have behavior.

1 Thanks for the quick answer, and it is what my gut feeling was. Could you explain why it is bad to use objects with behaviour so I am not just telling people it is that way because Udi says so. – dang1es Jun 29 at 11:17 Since Udi hasn't answered I'll chip in my 2 cents (hopefully he'll reply as well).

I wouldn't ship a class which contained any behavior because it would be leaking that abstraction between different services. Any changes you want to make to the object would likely necessitate changing both services, also quite undesirable. – RyanR Jul 4 at 23:28.

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