Response enrichment with navigation attributes

By using the request parameter showNavAttributes, developers can enhance specific response items with navigation attributes.

The following table lists currently supported values for showNavAttributes:

`showNavAttributes` value	endpoints	maturity privilege	Description
`functionalClass`	`/geocode`, `/revgeocode`, `/multi-revgeocode`, `/lookup`	GA	For `resultType=houseNumber` or `resultType=street` result item, returns the value that describes the functional class of the road where the result access position is located. For more details, see the API Reference.
`access`	`/geocode`, `/revgeocode`, `/multi-revgeocode`, `/lookup`	GA	For `resultType=houseNumber` or `resultType=street` result item, returns the values that describe the allowed vehicle types of the road where the result access postion is located. For more details, see the API Reference.
`physical`	`/geocode`, `/revgeocode`, `/multi-revgeocode`, `/lookup`	GA	For `resultType=houseNumber` or `resultType=street` result item, returns the values that describe the special physical characteristics of the road where the result access position is located. For more details, see the API Reference.
`speedLimits`	`/geocode`, `/revgeocode`, `/multi-revgeocode`, `/lookup`	GA	For `resultType=houseNumber` or `resultType=street` result item, returns the speed limits and travel directions of the road where the result access position is located. For more details, see the API Reference. Note: For information about the pricing of the speed limits feature, see the HERE Base Plan Pricing. If you have questions about pricing, contact us.

Example of a /revgeocode endpoint response with showNavAttributes=functionalClass,access,phyical,speedLimits:

GET https://revgeocode.search.hereapi.com/v1/
    revgeocode
    ?at=37.7702656,-122.4213821
    &showNavAttributes=functionalClass,access,physical,speedLimits
    &apiKey={YOUR_API_KEY}

{
  "items": [
      {
          "title": "Central Fwy, San Francisco, CA 94103, United States",
          "id": "here:af:streetsection:-A9JAiubJC1FVMNNWl3OJB",
          "resultType": "street",
          "address": {
              "label": "Central Fwy, San Francisco, CA 94103, United States",
              "countryCode": "USA",
              "countryName": "United States",
              "stateCode": "CA",
              "state": "California",
              "county": "San Francisco",
              "city": "San Francisco",
              "district": "Soma",
              "street": "Central Fwy",
              "postalCode": "94103"
          },
          "position": {"lat": 37.77026, "lng": -122.42138},
          "distance": 1,
          "mapView": {...},
          "navigationAttributes": {
              "speedLimits": [
                  {
                      "maxSpeed": 50,
                      "direction": "NW",
                      "speedUnit": "mph",
                      "source": "posted"
                  }
              ],
              "functionalClass": [
                  {
                      "value": "3"
                  }
              ],
              "access": [
                  {
                      "automobiles": true,
                      "bicycles": false,
                      "buses": true,
                      "carpools": true,
                      "deliveries": true,
                      "emergencyVehicles": true,
                      "motorcycles": true,
                      "pedestrians": false,
                      "taxis": true,
                      "throughTraffic": true,
                      "trucks": true
                  }
              ],
              "physical": [
                  {
                      "boatFerry": false,
                      "bridge": true,
                      "deliveryRoad": false,
                      "movableBridge": false,
                      "multiplyDigitized": true,
                      "paved": true,
                      "private": false,
                      "railFerry": false,
                      "tunnel": false
                  }
              ]
          }
      }
  ]
}

📘
Note
The feature is not currently supported in Japan.