These are few steps on how to manipulate metamodel in Kermeta. This is about why to register your metamodel and how to load/save it. We invite the reader to check inside the Building DSL main process tutorial (See Building DSL with kermeta tutorials) for the explanation of these model manipulations.
An example is fully covered in section 5.2 of FSM tutorial, for further explanation of this step please refer to the section 4.2 of process tutorial
The section 5.1 of FSM tutorial provides a complete example for this section, explanation can be found inside the section 4.1 of process tutorial