 the <code class="docutils literal notranslate"><span class="pre">BeginCallbackRequest</span></code> protobuf message.</p></li>
<li><p>No example available.</p></li>
</ul>
</section>
</section>
<section id="parameter-coercion">
<h2>Parameter Coercion<a class="headerlink" href="#parameter-coercion" title="Permalink to this heading"></a></h2>
<p>Coercion allows you to gracefully handle errors in your parameters. If the parameter provided from the server is out of spec, it can be coerced to be in spec.</p>
