Extracting-Concepts-Using-Watson-API-in-NodeJs

var watson = require('watson-developer-cloud');

var NaturalLanguageUnderstandingV1 = require('watson-developer-cloud/natural-language-understanding/v1.js');
var nlu = new NaturalLanguageUnderstandingV1(<API SECRET>);

function getConcepts(text,callback){
    nlu.analyze({
        'html': text,                                                 // Search concepts related to the text in the buffer/String
        'features': {                                                 // Search concepts related to these keywords/concepts.
            'concepts': {}, 'keywords': {},}
    }, function(err, response) {
        if (err)   
            console.log('error:', err);
        else     
            callback(response);
    });
}