{
  "$id": "https://schema.nfh.global/MonitoredCall/v2.0",
  "x-iri": "https://schema.nfh.global/MonitoredCall/v2.0",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "MonitoredCall",
  "type": "object",
  "description": "A real-time arrival or departure prediction for a specific vehicle at a specific stop within a monitored journey.",
  "properties": {
    "stopPointRef": {
      "description": "Reference to the stop point for this call",
      "$ref": "https://schema.nfh.global/StopPoint/v2.0/schema.json"
    },
    "visitNumber": {
      "description": "Visit sequence number for loop services",
      "type": "number"
    },
    "vehicleAtStop": {
      "description": "Whether the vehicle is currently at the stop",
      "type": "boolean"
    },
    "expectedArrivalTime": {
      "description": "Predicted arrival time at this stop",
      "type": "string",
      "format": "date-time"
    },
    "expectedDepartureTime": {
      "description": "Predicted departure time from this stop",
      "type": "string",
      "format": "date-time"
    },
    "aimedArrivalTime": {
      "description": "Scheduled arrival time from the timetable",
      "type": "string",
      "format": "date-time"
    },
    "aimedDepartureTime": {
      "description": "Scheduled departure time from the timetable",
      "type": "string",
      "format": "date-time"
    },
    "arrivalStatus": {
      "description": "Arrival status (e.g. onTime, delayed, early)",
      "type": "string"
    },
    "departureStatus": {
      "description": "Departure status (e.g. onTime, delayed, early)",
      "type": "string"
    },
    "id": {
      "description": "Unique identifier for the tracking record",
      "type": "string"
    },
    "url": {
      "description": "URL endpoint for real-time tracking information",
      "type": "string",
      "format": "uri"
    },
    "status": {
      "description": "Current tracking status",
      "$ref": "https://schema.nfh.global/State/v2.0/schema.json"
    },
    "validity": {
      "description": "Validity period for this tracking record",
      "$ref": "https://schema.nfh.global/TimePeriod/v2.1/schema.json"
    }
  },
  "additionalProperties": false,
  "x-tags": [
    "mobility",
    "ride-hailing"
  ]
}