Current I'm working with SharePoint Foundation 2013 and I wanted to see what are the SharePoint Designer 2013 workflow limitations on the SharePoint Foundation 2013 platform? Does I have the option of creating a workflow using the 2013 workflow engine or 2010 workflow engine? What actions are available to me?
Yes you can create 2013 and 2010 Workflows, both WF engines work with SP2013
This is an extract from the SharePoint 2013 Core Development Trainer Handbook. Sorry, I didn't find what I want from the web, but I'll keep looking for a valid answer.