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I found list of Windchill REST Endpoints on my server here: http://myserver.com/Windchill/netmarkets/jsp/restapi/index.html
There is POST method "First Stage Content upload". Model and parameters are discribed on picture bellow:

Can I with this POST method upload file from my server to Workspace on Windchill server?
If yes, what parameters I must specify in request?
Thank you!
