---
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

<br/>

:::tip
Method at API documentation: [im.dialog.unread](https://dev.1c-bitrix.ru/learning/course/?COURSE_ID=93&LESSON_ID=12055)
:::
<br/>


```bsl title="Code example"
    URL       = "https://b24-ar17wx.bitrix24.by/rest/1/f2pp...";
    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
  }
  }
```