"DoorOpenPosition": {
  "type": "object",
  "additionalProperties": false,
  "title": "DoorOpenPosition",
  "description": "Defines the amount of openness of an InteriorDoor.\n\nThe range for Percent is [0., 100.]",
  "properties": {
    "Percent": {
      "title": "Percent",
      "default": 100,
      "anyOf": [
        {
          "type": "number",
          "minimum": 0,
          "maximum": 100
        },
        {
          "type": "string",
          "const": "Random"
        }
      ]
    }
  }
}

 "Percent": {
  "title": "Percent",
  "default": 100,
  "anyOf": [
    {
      "type": "number",
      "minimum": 0,
      "maximum": 100
    },
    {
      "type": "string",
      "const": "Random"
    }
  ]
}

{
  "type": "number",
  "minimum": 0,
  "maximum": 100
}

{
  "type": "string",
  "const": "Random"
}