> For the complete documentation index, see [llms.txt](https://docs.innopaas.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.innopaas.com/api-reference/whatsapp-business-api/webhook/liao-tian-shi-shang-xia-xing-xiao-xi-shi-jian.md).

# 聊天室上下行消息事件

聊天室上下行消息仅针对在聊天室 的事件监听、**chat\_mt\_message\_notify（聊天室下行消息接收） 、chat\_mo\_message\_notify（聊天室上行消息接收）**

| 字段             | 数据类型   | 是否必填 | 描述                                  |
| -------------- | ------ | ---- | ----------------------------------- |
| wabaId         | String | 是    | Waba Id                             |
| from           | String | 是    | 企业Sender                            |
| to             | String | 是    | 用户WhatsApp 号码                       |
| messageType    | String | 是    | 消息类型                                |
| context        | Object | 是    | 消息内容                                |
| wamid          | String | 否    | Mete消息ID                            |
| conversationId | String | 否    | 会话ID（InnoPaaS聊天室会话ID）               |
| uid            | String | 否    | 用户自定义Id                             |
| sendTime       | String | 是    | 发送时间，UTC，如：2026-07-09T09:11:23.405Z |
| sendTimestamp  | String | 是    | 发送时间戳，精确到毫秒，如：1783588283405         |

**chat\_mt\_message\_notify 示例**

```json
{
    "id": "b5e984b3-21b2-42a9-b08b-72e5a4096ac6",
    "type": "chat_mt_message_notify",
    "eventTime": "2023-02-22T12:00:00.000Z",
    "body": {
        "wabaId": "WHATSAPP_BUSINESS_ACCOUNT_ID",
        "from": "wamid.BgNODYxN...",
        "to": "PHONE-NUMBER",
         "messageType": "text",
         "context": {
             "text":"this is test message"
           },
        "wamid": "wamid.BgNODYxN...",
        "conversationId": "12312312312312",
        "uid":"123123123123123213123",
         "sendTime":"2026-07-09T09:11:23.405Z", 
         "sendTimestamp":"1783588283405"
    }
}
```

**chat\_mo\_message\_notify 示例**

```json
{
    "id": "b5e984b3-21b2-42a9-b08b-72e5a4096ac6",
    "type": "chat_mo_message_notify",
    "eventTime": "2023-02-22T12:00:00.000Z",
    "body": {
        "wabaId": "WHATSAPP_BUSINESS_ACCOUNT_ID",
        "from": "wamid.BgNODYxN...",
        "to": "PHONE-NUMBER",
         "messageType": "text",
         "context": {
             "text":"this is test message"
           },
        "wamid": "wamid.BgNODYxN...",
        "conversationId": "12312312312312",
        "uid":"123123123123123213123",
         "sendTime":"2026-07-09T09:11:23.405Z", 
         "sendTimestamp":"1783588283405"
    }
}
```