ef="../Enums/ChallengeStatus.html">ChallengeStatus</a></span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">,</span> <span class="nv">order</span><span class="p">:</span> <span class="kt"><a href="../Enums/ChallengeListOrder.html">ChallengeListOrder</a></span> <span class="o">=</span> <span class="o">.</span><span class="n">asc</span><span class="p">,</span> <span class="nv">pageToken</span><span class="p">:</span> <span class="kt">String</span><span class="p">?