First, start by creating a new xDSML project (New > Project > GEMOC Gemoc Concurrent / Gemoc Concurrent xDSML Project), with your desired name, for instance "org.gemoc.sample.SigpmlTuto". The next figure illustrates the xDSML wizard with the reference to the ecore project which containts the ecore model. The two others projects will be created next in the tutorial.

xDSML wizard definition. 

The wizard creates a Melange project as the root project of our xDSML to aggregate all the definitions of the composite parts.