---
sidebar_position: 6
---

# Attach file to the topic
 Attaches a file to the selected task



`Function AttachFileToTopic(Val URL, Val TaskID, Val FileID, Val Token = "") Export`

 | Parameter | CLI option | Type | Destination |
 |-|-|-|-|
 | URL | --url | String | URL of webhook or a Bitrix24 domain, when token used |
 | TaskID | --task | Number, String | Task ID |
 | FileID | --fileid | Number, String | File ID |
 | 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: [tasks.task.files.attach](https://dev.1c-bitrix.ru/rest_help/tasks/task/tasks/tasks_task_files_attach.php)
:::
<br/>


```bsl title="Code example"
 URL = "https://b24-ar17wx.bitrix24.by/rest/1/4swokunb3tk7h7dt/";
 TaskID = "720";
 FileID = "3268";
 
 Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID);
 
 
 
 URL = "b24-ar17wx.bitrix24.by";
 Token = "adf89366006e9f06006b12e400000001000...";
 TaskID = "722";
 
 Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID, Token);
```
	


```sh title="CLI command example"
 
 oint bitrix24 AttachFileToTopic --url "b24-ar17wx.bitrix24.by" --task "502" --fileid "2480" --token "56898d66006e9f06006b12e400000001000..."

```

```json title="Result"
{
 "result": {
 "attachmentId": 598
 },
 "time": {
 "start": 1720017736.90778,
 "finish": 1720017736.97555,
 "duration": 0.0677700042724609,
 "processing": 0.0367820262908936,
 "date_start": "2024-07-03T14:42:16+00:00",
 "date_finish": "2024-07-03T14:42:16+00:00",
 "operating_reset_at": 1720018336,
 "operating": 0
 }
}
```