arget="_blank">System<span id="LST470278AA_4"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST470278AA_4?cs=.|vb=.|cpp=::|nu=.|fs=.");</script>String</a><br />附加信息，文本会展示在客服人员的多客服客户端(非必须)</dd><dt><span class="parameter">timeOut</span> (Optional)</dt><dd>类型：<a href="https://docs.microsoft.com/dotnet/api/system.int32" target="_blank">System<span id="LST470278AA_5"></span><script type="text/javascript">AddLanguageSpecificTextSet("LST47