How to integrate AWS Lex with Nodejs

Question

I want to know How can I connect the node and AWS Lex?

I need to put this into practise: Let's say I have a Lex bot and I want to use Node.js to send a message to the Lexbot, and the Lexbot's answer will send it back to the front-end website.

I don not have any idea about it Please help me out.

Thanks!

Answer 1

var AWS = require('aws-sdk');
var lexruntimev2 = new AWS.LexRuntimeV2({ apiVersion: '2020-08-07' }); 
var params = {
            botAliasId: 'XXXXX', /* required */
            botId: 'XXXXXXXX', /* required */
            localeId: 'en_US', /* required */
            requestContentType: 'text/plain; charset=utf-8', /* required */
            sessionId: '12345678', /* required */
            inputStream: 'Hi',
            responseContentType: "audio/mpeg",
        };

        lexruntimev2.recognizeUtterance(params, (err, data) => {
            if (err) console.log(err, err.stack); // an error occurred
            else {console.log(data)};// Lex response