anchor.diff:                </td>
                 <td>
                   <strong>hash</strong> <span class="tag tag-default">Optional</span>
  -                <p>Additional message properties. Mostly used to add interesting metadata dependent on <a href="#message-types">message types</a>.</p>
  +                <p>Additional message properties. Mostly used to add required metadata dependent on <a href="/reference/message#types">message types</a>.</p>
   
                   <hr>
   
  
positive.code:                       </td>
                        <td>
                          <strong>float</strong> <span class="tag tag-default">Optional</span>
                          <p>NLP/NLU entity extraction confidence in percent. This information may be available if you use a provider like Api.ai, Luis.ai, etc.</p>
                        </td>
                      </tr>
                    </tbody>
  
negative.code: }' 'https://api.dialoganalytics.com/v1/b/a925a32e/track?token=test'</pre>
  
        <h4 class="page-header">Parameters</h4>
  
        <p>You must provide the <code>/track</code> endpoint with three core resources: <code>message</code>, <code>conversation</code>, and <code>interlocutor</code>.</p>
  
        <div class="card">
          <table class="table m-b-0">
  