</h3><div class="doc"><p>绑定类型，Maplive可用</p></div></div><div class="field "><a name="customData"></a><h3 class="anchor"><code><span class="label label-meta label-meta-keep" title="Causes a field or type to be kept by DCE.">@:keep</span><a href="#customData"><span class="identifier">customData</span></a>:<span class="type">Dynamic</span></code></h3><div class="doc"><p>自定义数据，默认为null，可以作为扩展数据使用</p></div></div><div class="field "><a name="hAlign"></a><h3 clas