You now have the basics for defining your Action Model / Systemigram.  

1. Gather all the information you have so far:  PQR, CATWOE and the Root Definition.
2. Write down three groups of activities:  
   1. Things that concern what is being transformed (where you are starting).
   2. Activities that do the actual transforming.
   3. Activities dealing with the transformed entity
3. Connect the activities with arrows that indicate the dependencies.
4. For the SSM approach, add the three monitoring and control activities like that shown here (from the SSM reading)