. Then use the trained classifier to classify your new question for best matching answers or to retrieve next actions for your application.</p>
<pre class="prettyprint source lang-javascript"><code>var watson = require('watson-developer-cloud');

var natural_language_classifier = watson.natural_language_classifier({
  url: 'https://gateway.watsonplatform.net/natural-language-classifier/api',
  username: '&lt;username>',
  password: '&lt;password>',
  version: 'v1'
});

natural_language_classifier.classify({