modifier = {
  description = "Moves to a point in space at a constant speed."
  field = "human"
  display = "Human"
  class = "Human"
  dependency = []

  blocks = {
    data={
      fields = [
        { name="active" type="boolean" default=true       }
        { name="name"   type="id32"    default="unnamed"  }
        { name="color"  type="float3"  default=[1, 0, 0]  }
      ]
    }
  }
}