Biztalk Helper Class Question: Download Biztalk Helper Class PDF

Tell me why helper class/.Net assembly doesn't list in the Resources of Application, in spite of having reference to it and used in the application?

Because resources are meant to hold only BizTalk resources.

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As you know a helper class which is not marked serializable , can it be used in Orchestration?	Tell us why is it required that helper class/.net assembly to be marked serializable?