It can be a little challenging to figure out how to handle binary files SAP PI/PO if you want to save them in the content server.
This video shows you two ways to can deal with simply.
* You can create an attachment where you have the PDF or binary file and then just use a dummy file for the proxy.
* You can encode the PDF/Binary file as Base64 and add the content to the proxy structure.
You can get the Zip file on https://us.simplerousercontent.net/up... so you can start developing your own mappings.