{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://www.cityjson.org/schemas/1.1.3/geomtemplates.schema.json",
  "title": "CityJSON geometry templates schema v1.1.3",
  "GeometryInstance": {
    "type": "object",
    "properties": {
      "type": {
        "enum": [
          "GeometryInstance"
        ]
      },
      "template": {
        "type": "integer"
      },
      "boundaries": {
        "type": "array",
        "items": {
          "type": "integer"
        },
        "minItems": 1,
        "maxItems": 1
      },
      "transformationMatrix": {
        "type": "array",
        "items": {
          "type": "number"
        },
        "minItems": 16,
        "maxItems": 16
      }
    },
    "required": [
      "type",
      "template",
      "boundaries",
      "transformationMatrix"
    ],
    "additionalProperties": false
  }
}