Example with mandatory variables not filled in

rougail:
  dynval1:
    dynval1:
      var: example
    dynval2:
      var: example
  dynval2:
    dynval1:
      var: example
    dynval2:
      var: example

Example with all variables modifiable

rougail:
  var1:
    - val1
    - val2
  dynval1:
    dynval1:
      var: example
    dynval2:
      var: example
  dynval2:
    dynval1:
      var: example
    dynval2:
      var: example
  var2:
    - example
    - example