Chatroom inbound and outbound message events

Chatroom inbound and outbound messages are only for event listening in the chatroom,chat_mt_message_notify (chatroom downstream message reception), chat_mo_message_notify (chatroom upstream message reception)

Field	Data type	Required	Description
wabaId	String	Yes	Waba Id
from	String	Yes	Enterprise Sender
to	String	Yes	User WhatsApp number
messageType	String	Yes	Message type
context	Object	Yes	Message content
wamid	String	No	Meta message ID
conversationId	String	No	Conversation ID (InnoPaaS chatroom conversation ID)
uid	String	No	User-defined ID
sendTime	String	Yes	Send time, UTC, e.g.: 2026-07-09T09:11:23.405Z
sendTimestamp	String	Yes	Send timestamp, accurate to the millisecond, e.g.: 1783588283405

chat_mt_message_notify example

{
    "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 example

{
    "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"
    }
}