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 = "3060";

    OPI_TypeConversion.GetLine(ChatID);

    ChatString = "chat" + ChatID;
    MessageID  = "60224";

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

    URL       = "b24-ar17wx.bitrix24.by";
    Token     = "75d8c668006e9f06006b12e400000001000...";
    UserID    = 10;
    MessageID = "60226";

    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": 1757976832.83628,
  "finish": 1757976832.95165,
  "duration": 0.115370035171509,
  "processing": 0.0877461433410644,
  "date_start": "2025-09-15T22:53:52+00:00",
  "date_finish": "2025-09-15T22:53:52+00:00",
  "operating_reset_at": 1757977432,
  "operating": 0
 }
}