traintastic/manual/luadoc/object/signalrailtile.json

{
  "name": {},
  "aspect": {},
  "set_aspect": {
    "parameters": [
      {
        "name": "aspect"
      }
    ]
  },
  "on_aspect_changed": {
    "parameters": [
      {
        "name": "signal"
      },
      {
        "name": "aspect"
      }
    ],
    "since": "0.3"
  }
}