Example with mandatory variables not filled in

rougail:
  dynval1:
    leadership:
      - leader: example
  dynval2:
    leadership:
      - leader: example

Example with all variables modifiable

rougail:
  var:
    - val1
    - val2
  dynval1:
    leadership:
      - leader: example
        follower1: example
        follower2: example
  dynval2:
    leadership:
      - leader: example
        follower1: example
        follower2: example