app.js

/*-----------------------------------------------------------------------------
A simple echo bot for the Microsoft Bot Framework. 
-----------------------------------------------------------------------------*/

var restify = require('restify');
var builder = require('botbuilder');
var builder_cognitiveservices = require("botbuilder-cognitiveservices");

// Setup Restify Server
var server = restify.createServer();
server.listen(process.env.port || process.env.PORT || 3978, function () {
   console.log('%s listening to %s', server.name, server.url); 
});
  
// Create chat connector for communicating with the Bot Framework Service
var connector = new builder.ChatConnector({
    appId: process.env.MicrosoftAppId,
    appPassword: process.env.MicrosoftAppPassword,
    stateEndpoint: process.env.BotStateEndpoint,
    openIdMetadata: process.env.BotOpenIdMetadata 
});

// Listen for messages from users 
server.post('/api/messages', connector.listen());

/*----------------------------------------------------------------------------------------
* Bot Storage: This is a great spot to register the private state storage for your bot. 
* We provide adapters for Azure Table, CosmosDb, SQL Azure, or you can implement your own!
* For samples and documentation, see: https://github.com/Microsoft/BotBuilder-Azure
* ---------------------------------------------------------------------------------------- */

// Create your bot with a function to receive messages from the user
var bot = new builder.UniversalBot(connector);


var recognizer = new builder_cognitiveservices.QnAMakerRecognizer({
                knowledgeBaseId: process.env.QnAKnowledgebaseId, 
    subscriptionKey: process.env.QnASubscriptionKey});

var basicQnAMakerDialog = new builder_cognitiveservices.QnAMakerDialog({
    recognizers: [recognizer],
                defaultMessage: 'No match! Try changing the query terms!',
                qnaThreshold: 0.3}
);


bot.dialog('/', basicQnAMakerDialog);