小程序客服消息新增图文链接消息和卡片类型

小程序客服消息目前新增了图文链接消息，望更新
https://www.w3cschool.cn/weixinapp/weixinapp-api-custommsg-conversation.html
官方没找到文档，图文链接消息接口参数如下
{

    "touser": "OPENID",
    "msgtype": "link",
    "link": {
          "title": "Happy Day",
          "description": "Is Really A Happy Day",
          "url": "URL",
          "thumb_url": "THUMB_URL"
    }
}