dCallback</a></li>
    
    </ol>
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  <div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content">
      <div><h1><span class="kind-typedef">PlatformMessageCallback</span> typedef </h1></div>

    <section class="multi-line-signature">
        <span class="returntype">void</span>
                <span class="name ">PlatformMessageCallback</span>
(<wbr><span class="parameter" id="PlatformMessageCallback-param-name"><span class="type-annotation"><a hr