Transfer Booking Extra Service Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amadeus-reservations/refs/heads/main/json-structure/transfer-booking-extra-service-structure.json",
  "name": "ExtraService",
  "description": "ExtraService schema",
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "extra service code, which can take following values\n\ncode   | name                                 \n------ | ---------------------------- \nDSL    | Driver language specified\nEWT    | Extra waiting time\nMAG    | Meet & Greet\nFLM    | Flight monitoring\nNWS    | Newspaper\nCAI    | Cancellation insurance\nWNR    | Wait and Return. Driver waits at destination and brings back the customer to pick-up point\n",
      "enum": [
        "DSL",
        "EWT",
        "MAG",
        "FLM",
        "NWS",
        "CAI",
        "WNR"
      ]
    },
    "itemId": {
      "type": "string",
      "description": "extra service identifier"
    },
    "description": {
      "type": "string",
      "description": "extra service description"
    },
    "metricType": {
      "type": "string",
      "description": "extra service time metric type",
      "enum": [
        "YEARS",
        "DAYS",
        "HOURS",
        "MINUTES"
      ]
    },
    "metricValue": {
      "type": "string",
      "description": "extra service metric value"
    },
    "quotation": {
      "$ref": "#/definitions/Quotation"
    },
    "converted": {
      "$ref": "#/definitions/Quotation"
    },
    "isBookable": {
      "type": "boolean",
      "description": "true if extra service is available for booking"
    },
    "taxIncluded": {
      "type": "boolean",
      "description": "true if tax included in extra service price"
    },
    "includedInTotal": {
      "type": "boolean",
      "description": "true if extra service price is included in total transfer amount"
    }
  },
  "required": [
    "code"
  ]
}