<pre class="highlight swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="nf">append</span><span class="p">(</span><span class="n">_</span> <span class="nv">fileURL</span><span class="p">:</span> <span class="kt">URL</span><span class="p">,</span> <span class="n">withName</span> <span class="nv">name</span><span class="p">:</span> <span class="kt">String</span><span class="p">,</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span><sp