---
sidebar_position: 7
---
# 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 | 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](https://dev.1c-bitrix.ru/learning/course/?COURSE_ID=93&LESSON_ID=12055)
:::
```bsl title="Code example"
URL = "https://b24-ar17wx.bitrix24.by/rest/1/f2ppp8uucc891111/";
ChatID = "chat" + "450";
MessageID = "8682";
Result = OPI_Bitrix24.MarkMessageAsUnreaded(URL, ChatID, MessageID);
URL = "b24-ar17wx.bitrix24.by";
Token = "fe3fa966006e9f06006b12e400000001000...";
UserID = 10;
MessageID = "8684";
Result = OPI_Bitrix24.MarkMessageAsUnreaded(URL, UserID, MessageID, Token);
```
```sh title="CLI command example"
oint bitrix24 MarkMessageAsUnreaded --url "b24-ar17wx.bitrix24.by" --chat "chat + 450" --message "8684" --token "fe3fa966006e9f06006b12e400000001000..."
```
```json title="Result"
{
"result": true,
"time": {
"start": 1720969158.8803,
"finish": 1720969158.91584,
"duration": 0.035538911819458,
"processing": 0.0112378597259521,
"date_start": "2024-07-14T14:59:18+00:00",
"date_finish": "2024-07-14T14:59:18+00:00",
"operating_reset_at": 1720969758,
"operating": 0
}
}
```