Mark message as unreaded

Mark current and all messages after as unreaded

Function MarkMessageAsUnreaded(Val URL, Val ChatID, Val MessageID, Val Token = "") Export

Parameter	CLI option	Type	Required	Description
URL	--url	String	✔	URL of webhook or a Bitrix24 domain, when token used
ChatID	--chat	String, Number	✔	Chat ID (as chatXXX) or User ID (as XXX)
MessageID	--message	String, Number	✔	ID of last unreaded message
Token	--token	String	✖	Access token, when app auth method used

Returns: Map Of KeyAndValue - serialized JSON of answer from Bitrix24 API

tip

Method at API documentation: im.dialog.unread

1C:Enterprise/OneScript code example

    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/h0m...";
    ChatID = "3244";

    OPI_TypeConversion.GetLine(ChatID);

    ChatString = "chat" + ChatID;
    MessageID  = "64292";

    Result = OPI_Bitrix24.MarkMessageAsUnreaded(URL, ChatString, MessageID);

    URL       = "b24-ar17wx.bitrix24.by";
    Token     = "8a1bee68006e9f06006b12e400000001000...";
    UserID    = 10;
    MessageID = "64294";

    Result = OPI_Bitrix24.MarkMessageAsUnreaded(URL, UserID, MessageID, Token);

Bash

    oint bitrix24 MarkMessageAsUnreaded \
     --url "b24-ar17wx.bitrix24.by" \
     --chat 10 \
     --message 4286 \
     --token "***"

CMD/Bat

    oint bitrix24 MarkMessageAsUnreaded ^
     --url "b24-ar17wx.bitrix24.by" ^
     --chat 10 ^
     --message 4286 ^
     --token "***"

Result

{
 "result": true,
 "time": {
  "start": 1760522350,
  "finish": 1760522350.81313,
  "duration": 0.813131093978882,
  "processing": 0,
  "date_start": "2025-10-15T09:59:10+00:00",
  "date_finish": "2025-10-15T09:59:10+00:00",
  "operating_reset_at": 1760522950,
  "operating": 0.160065174102783
 }
}