tter.dev/flutter/dart-core/Future-class.html">Future</a></span>
<span class="name ">send</span>(<wbr><ol class="parameter-list"> <li><span class="parameter" id="send-param-data"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/Map-class.html">Map</a><span class="signature">&lt;<wbr><span class="type-parameter"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a></span>, <span class="type-parameter">dynamic</span>&gt;</span></span> <span class="para