getLuisIntent.js

// This example assumes the existence of a .env file with the following contents:
// <START_DOT_ENV>
// LUIS_APP_ID=""
// LUIS_SUBSCRIPTION_KEY=""
// <END_DOT_ENV>

require('dotenv').config();

var request = require('request');
var querystring = require('querystring');

function getLuisIntent(utterance) {
    var endpoint = "https://westus.api.cognitive.microsoft.com/luis/v2.0/apps/";
    var luisAppId = process.env.LUIS_APP_ID;
    var queryParams = {
        "subscription-key": process.env.LUIS_SUBSCRIPTION_KEY,
        "timezoneOffset": "0",
        "verbose": true,
        "q": utterance
    }
    
    var luisRequest = endpoint + luisAppId + '?' + querystring.stringify(queryParams);

    request(luisRequest, function (err, response, body) {
        if (err) console.log(err);
        else {
            var data = JSON.parse(body);
    
            console.log(`Query: ${data.query}`);
            console.log(`Top Intent: ${data.topScoringIntent.intent}`);
            console.log('Intents:');
            console.log(data.intents);
        }
    });
}

// this example calls IOT CarCommands LUIS model
getLuisIntent('turn on windsheild wipers');

/*
  Example output:

  Query: turn on windsheild wipers
  Top Intent: WipersOn
  Intents:
  [ { intent: 'WipersOn', score: 0.9560789 },
    { intent: 'WipersOff', score: 0.0401056334 },
    { intent: 'None', score: 0.0322750062 },
    { intent: 'CabinLightsOn', score: 0.000005827829 },
    { intent: 'HeadlightsOn', score: 6.615501e-8 },
    { intent: 'HeadlightsOff', score: 7.603526e-15 } ] 
*/

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