n>&gt;</span></span> <span class="parameter-name">data</span>, {</span><span class="parameter" id="send-param-handleId"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/int-class.html">int</a>?</span> <span class="parameter-name">handleId</span></span>})
    <span class="returntype parameter">&#8594; <a href="https://api.flutter.dev/flutter/dart-core/Future-class.html">Future</a></span>
  </span>
  

</dt>
<dd>
  this method is used to send json payload to Janus Server for co