WeChat.ServerMessage.XmlMessage.reply_voice
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reply_voice
, go back to WeChat.ServerMessage.XmlMessage module for more information.
Link to this function
reply_voice(to_openid, from_wx_no, timestamp, media_id)
回复语音消息 - 官方文档
<xml>
<ToUserName><![CDATA[toUser]]></ToUserName>
<FromUserName><![CDATA[fromUser]]></FromUserName>
<CreateTime>12345678</CreateTime>
<MsgType>voice</MsgType>
<Voice>
<MediaId><![CDATA[media_id]]></MediaId>
</Voice>
</xml>