trainbooster: 
  type: world 
  events: 
    on vehicle moves: 
    - if !<server.has_flag[vehicleeventdelay]> { 
      - if <c.vehicle.location.add[0,-1,0].material> == m@red_wool { 
        - adjust <c.vehicle> velocity:<c.vehicle.location.direction.vector.mul[2]>
        - flag server vehicleeventdelay d:1t 
        } 
      }