Example with mandatory variables not filled in

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

Example with all variables modifiable

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