I have very recently started to work with Ensemble and have both the 2014 and the 2017 version. 

To learn, I have created a small test flow that takes an xml file using EnsLib.EDI.XML.Service.FileService, sends it to a Process that transforms it with xslt into another format, and then passes it onwards to a EnsLib.EDI.XML.Operation.FileOperation Business Operation. 

This is the code that I have before and when sending it onwards:

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