Example with all variables modifiable

---
rougail:                      # Rougail
  var:                        # A suffix variable
    - val1
    - val2
  my_dyn_family_val1:         # A dynamic family
    subdyn_val1:              # A sub dynamic family
      var: val1               # A variable inside a sub dynamic family
    subdyn_val2:              # A sub dynamic family
      var: val2               # A variable inside a sub dynamic family
  my_dyn_family_val2:         # A dynamic family
    subdyn_val1:              # A sub dynamic family
      var: val1               # A variable inside a sub dynamic family
    subdyn_val2:              # A sub dynamic family
      var: val2               # A variable inside a sub dynamic family
  var2:                       # A variable
    - val1
    - val2