{
  "$schema": "http://json-schema.org/schema#",
  "id": "https://uri.etsi.org/ngsi-ld/schema/Subscription.json",
  "title": "NGSI-LD Subscription",
  "description": "NGSI-LD Subscription",
  "definitions": {
    "NotificationParams": {},
    "EntityInfo": {},
    "GeoQuery": {
      "type": "object",
      "required": [
        "geometry",
        "coordinates",
        "georel"
      ],
      "properties": {
        "georel": {
          "oneOf": [
            {
              "type": "string",
              "enumeration": [
                "equals",
                "disjoint",
                "intersects",
                "within",
                "contains",
                "overlaps"
              ]
            },
            {
              "type": "string",
              "pattern": "near;maxDistance=="
            }
          ]
        },
        "coordinates": {
          "oneOf": [{
            "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/geometry-schema.json#/definitions/position",
            "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/geometry-schema.json#/definitions/positionArray",
            "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/geometry-schema.json#/definitions/lineString",
            "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/geometry-schema.json#/definitions/polygon"
          }]
        },
        "geometry": {
          "type": "string",
          "enumeration": [
            "Point",
            "MultiPoint",
            "LineString",
            "MultiLineString",
            "Polygon",
            "MultiPolygon"
          ]
        }
      }
    }
  },
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uri"
    },
    "type": {
      "type": "string",
      "const": "Subscription"
    },
    "@context": {
      "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/common.json#/definitions/LdContext"
    },
    "name": {
      "type": "string",
      "minLength": 1
    },
    "description": {
      "type": "string",
      "minLength": 1
    },
    "entities": {
      "$ref": "#/definitions/EntityInfo"
    },
    "watchedAttributes": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "string"
      },
      "uniqueItems": true
    },
    "timeInterval": {
      "type": "number",
      "minimum": 0
    },
    "geoQ": {
      "$ref": "#/definitions/GeoQuery"
    },
    "notification": {
      "$ref": "#/definitions/NotificationParams"
    },
    "expires": {
      "type": "string",
      "format": "date-time"
    },
    "status": {
      "type": "string",
      "enum": [
        "active",
        "paused",
        "expired"
      ]
    },
    "isActive": {
      "type": "boolean"
    },
    "throttling": {
      "type": "number",
      "minimum": 1
    },
    "q": {
      "type": "string"
    },
    "csf": {
      "type": "string"
    }
  },
  "required": [
    "id",
    "type",
  ]
}