traintastic/manual/luadoc/object/trainpathfinder.json

{
  "reserve": {
    "parameters": [
      {
        "name": "from_block"
      },
      {
        "name": "from_direction"
      },
      {
        "name": "to_block"
      },
      {
        "name": "to_direction"
      }
    ],
    "since": "0.4"
  }
}