钉外账号向钉内账号或互通群发送消息

{
  "text": {
    "content":"hello world"
  }
}

{
  "link":{
    "messageUrl":"http://dingtalk.com",
    "picUrl":"http://****.png",
    "title":"钉钉",
    "text":"钉钉客联"
  }
}

{
  "action_card":{
    "title":"钉钉",
    "markdown":"# 支持markdown格式文本",
    "single_title":"查看详情",
    "single_url":"http://dingtalk.com"
  }
}

{
    "action_card":{
        "title":"是透出话列表和通知的文案",
        "markdown":"支持markdown格式的正文测试",
        "btn_orientation":"0",
        "btn_json_list":[
            {
                "title":"一11个按钮",
                "action_url":"https://www.taobao.com"
            },
            {
                "title":"两22个按钮",
                "action_url":"https://www.tmall.com"
            }
        ]
    }
}