 class="parameter-name">callback</span></span>)
    </section>

    <section class="desc markdown">
      <p>Signature for <a href="dart-ui/Window/onPlatformMessage.html">Window.onPlatformMessage</a>.</p>
    </section>
        <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">typedef PlatformMessageCallback = void Function(String name, ByteData data, PlatformMessageResponseCallback callback);</code></pre