Passing Custom WCF Soap Headers from BizTalk

How to Pass Custom WCF Soap Headers from BizTalk using WCF.OutboundCustomHeaders

I needed to call a WCF webservice from BizTalk that required three SOAP fields. In addition to Username and Password (standard), they had one custom field called ApplicationID.

Code in Message Assignment Shape

"<headers>" +
" <Username>" + strSOAPUserFromSSO + "</Username>" +
" <Password>" + strSOAPPasswordFromSSO + "</Password>" +
" <ApplicationID>" + strSOAPAppIDFromSSO + "</ApplicationID>" +

msgRcvdEquipReq(WCF.OutboundCustomHeaders) = xmlDocSoapHeader.OuterXml;

I used the standard “Add Generated Schema” and “Consume WCF Service” wizard, but that didn’t provide any help with the SOAP Headers. I read some blogs that talked about creating a custom SOAP schema, promoting fields, and so-on, and perhaps that would work, but ultimately the above is what worked fine.


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