XML serialization not working for Interfaces

Example:

public interface ISomething : IEvent
{
IDetails Details { get; }
}

public interface IDetails
{
string S { get; }
string T { get; }
}

If I were to publish a message with the concrete implementation of ISomething, the resulting XML appears as <Something>
<Details>
<
/Details>
<
/Something>
(added * to get around formatting)

Where none of the properties that are part of IDetails are included. If I instead switch out IDetails with Details, then everything works fine.

Is there a way to initialize the XmlSerializer transport and provide the known types to the serializer so that I can work with only the interface?

What version of NServiceBus are you using?

Using version 7 beta.

I was able to reproduce your described scenario. I noticed that not only the XML doesn’t contain the properties, but it also failed to deserialize the message at all on the receiver. Are you experiencing the same behavior?

Is there a specific reason you’re using an interface as the properties type?

hey @devindran, looking again at your messages, I realized that you need to add setters to all the interfaces to get the message to serialize correctly. Can you verify whether that resolves your issue?