Alexa Node SDK Navigation Directive

index.js

return handlerInput.responseBuilder
  .speak('Starting navigation')
  .addDirective({
            type: 'Navigation.SetDestination',
            destination: {
                singleLineDisplayAddress: "Calle de San Mateo 13, 28004",
                multipleLineDisplayAddress: "Calle de San Mateo 13, 28004",
                name: "Museo del Romanticismo",
                coordinate: {
                    latitudeInDegrees: 40.425860,
                    longitudeInDegrees: -3.698747
                  }
            },
            transportationMode: "WALKING"
   })
  .getResponse();