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