hem for you by looking at the <code>VCAP_SERVICES</code> environment variable.</p>
<h3>Data collection opt-out</h3><p>By default, <a href="http://www.ibm.com/watson/developercloud/doc/getting_started/gs-logging.shtml">all requests are logged</a>. This can be disabled of by setting the <code>X-Watson-Learning-Opt-Out</code> header when creating the service instance:</p>
<pre class="prettyprint source lang-js"><code>var myInstance = new watson.WhateverServiceV1({
  /* username, password, version, etc... */
  