Intersecting_Circles/intersecting-circles-modifiers/modifiers/move/move.modifier.lx

modifier = {
  script = "modifiers/move/move"
  description = "Constant movement."
  field = "move"
  display = "Move"  //the display in the editor
  class = "Move"    //The code generated name for the modifier API
  block = {           //The data for the modifier
    fields = [
      { name="velocity" type="float2" default=[0, 0] }
    ]
  }
}