How can I return HTTP-400 from a BizTalk Rest service?

Question

I am using BizTalk 2013 R2 and I have a RESTFUL service.

How can I return a HTTP-400 response to a client?

Answer 1

Set WCF.OutboundHttpStatusCode property in message assignment shape:

MyResponseMessage(WCF.OutboundHttpStatusCode) = "400";