Example with mandatory variables not filled in

---
rougail:                      # Rougail
  dynval1:                    # A dynamic famify for val1
    var1: example             # A dynamic variable
  dynval2:                    # A dynamic famify for val2
    var1: example             # A dynamic variable
  var2: example               # A new variable

Example with all variables modifiable

---
rougail:                      # Rougail
  dynval1:                    # A dynamic famify for val1
    var1: example             # A dynamic variable
  dynval2:                    # A dynamic famify for val2
    var1: example             # A dynamic variable
  var2: example               # A new variable