Example with mandatory variables not filled in

---                                                                             
rougail:                                                                        
  family1:                                                                      
    variable1: example                                                          
  family2:                                                                      
    variable2: example                                                          

Example with all modifiable variables

---                                                                             
rougail:                                                                        
  family1:                                                                      
    variable1: example                                                          
  family2:                                                                      
    variable2: example