{
  "title": "featureSet",
  "type": "object",
  "$schema": "http://json-schema.org/draft-04/schema",
  "description": "A featureSet object contains the geometry and attributes of features in a layer. This object is used with feature collections only.",
  "properties": {
    "features": {
      "type": "array",
      "description": "An array of feature objects containing geometry and a set of attributes.",
      "items": {
        "type": "object",
        "$ref": "feature_schema.json"
      },
      "uniqueItems": true
    },
    "geometryType": {
      "type": "string",
      "description": "The type of geometry.",
      "enum": [
        "esriGeometryEnvelope",
        "esriGeometryMultipoint",
        "esriGeometryPoint",
        "esriGeometryPolygon",
        "esriGeometryPolyline"
      ]
    }
  },
  "required": [
    "features",
    "geometryType"
  ],
  "additionalProperties": false
}