> method:</p>
<pre class="highlight swift"><code><span class="n">twilioVerify</span><span class="o">.</span><span class="nf">deleteFactor</span><span class="p">(</span><span class="nv">withSid</span><span class="p">:</span> <span class="n">factorSid</span><span class="p">,</span> <span class="nv">success</span><span class="p">:</span> <span class="p">{</span>
  <span class="c1">// Success</span>
<span class="p">})</span> <span class="p">{</span> <span class="n">error</span> <span class="k">in</span>
  <span