Example with mandatory variables not filled in

rougail:                      # Rougail
  leader:                     # A leadership
    - leader: example         # The leader
      follower1: example      # The follower1
      follower2: example      # The follower2
      follower3: example      # The follower3

Example with all variables modifiable

rougail:                      # Rougail
  leader:                     # A leadership
    - leader: example         # The leader
      follower1: example      # The follower1
      follower2: example      # The follower2
      follower3: example      # The follower3