red Factors or Challenges in the Notification Extension.</p>
<pre class="highlight swift"><code><span class="k">let</span> <span class="nv">builder</span> <span class="o">=</span> <span class="kt">TwilioVerifyBuilder</span><span class="p">()</span>
<span class="k">let</span> <span class="nv">twilioVerify</span> <span class="o">=</span> <span class="k">try</span> <span class="n">builder</span><span class="o">.</span><span class="nf">setAccessGroup</span><span class="p">(</span><span class="s">"group.com.exam