essageReq-">list</a></span>(<a href="../../../../../../../../com/lark/oapi/service/im/v1/model/ListMessageReq.html" title="com.lark.oapi.service.im.v1.model中的类">ListMessageReq</a>&nbsp;req)</code>
<div class="block">获取会话历史消息，获取会话（包括单聊、群组）的历史消息（聊天记录）。</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../com/lark/oapi/service/im/v1/model/ListMessageResp.html" title="com.lark.oapi.service.im