ReceivedArguments</span><span class="p">:</span> <span class="p">(</span><span class="nv">firstArgument</span><span class="p">:</span> <span class="kt">String</span><span class="p">,</span> <span class="nv">onComplete</span><span class="p">:</span> <span class="p">(</span><span class="kt">String</span><span class="p">)</span><span class="o">-&gt;</span> <span class="kt">Void</span><span class="p">)?</span>

    <span class="kd">func</span> <span class="nf">functionWithCallback</span><span class="p">(</span>