ght swift"><code><span class="kd">public</span> <span class="kd">func</span> <span class="nf">getChallenge</span><span class="p">(</span><span class="nv">challengeSid</span><span class="p">:</span> <span class="kt">String</span><span class="p">,</span> <span class="nv">factorSid</span><span class="p">:</span> <span class="kt">String</span><span class="p">,</span> <span class="nv">success</span><span class="p">:</span> <span class="kd">@escaping</span> <span class="kt">ChallengeSuccessBlock</span><span class