{
  "$id": "https://schema.nfh.global/EntitySelector/v2.0",
  "x-iri": "https://schema.nfh.global/EntitySelector/v2.0",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "EntitySelector",
  "type": "object",
  "description": "A selector that identifies which transport entities (routes, trips, stops, or agencies) are affected by a given alert.",
  "properties": {
    "agencyId": {
      "description": "Identifier of the affected agency",
      "type": "string"
    },
    "routeId": {
      "description": "Identifier of the affected route",
      "type": "string"
    },
    "routeType": {
      "description": "Type of the affected route (e.g. BUS, RAIL)",
      "type": "string"
    },
    "tripDescriptor": {
      "description": "Descriptor identifying the affected trip",
      "$ref": "https://schema.nfh.global/TripDescriptor/v2.0/schema.json"
    },
    "stopId": {
      "description": "Identifier of the affected stop",
      "type": "string"
    },
    "id": {
      "description": "Unique identifier for the alert",
      "type": "string"
    },
    "descriptor": {
      "description": "Human-readable description of the alert",
      "$ref": "https://schema.nfh.global/Descriptor/v2.1/schema.json"
    },
    "validity": {
      "description": "Time period during which the alert is active",
      "$ref": "https://schema.nfh.global/TimePeriod/v2.1/schema.json"
    },
    "status": {
      "description": "Current status of the alert",
      "$ref": "https://schema.nfh.global/State/v2.0/schema.json"
    }
  },
  "additionalProperties": false,
  "x-tags": [
    "mobility",
    "ride-hailing"
  ]
}