Example with mandatory variables not filled in

---                                                                             
dynval1:                      # A dynamic family                                
  var: example                # A dynamic variable                              
dynval2:                      # A dynamic family                                
  var: example                # A dynamic variable                              

Example with all modifiable variables

---                                                                             
var:                          # A suffix variable                               
  - val1                                                                        
  - val2                                                                        
dynval1:                      # A dynamic family                                
  var: example                # A dynamic variable                              
dynval2:                      # A dynamic family                                
  var: example                # A dynamic variable