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	Required	Description
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

tip

Method at API documentation: tasks.task.files.attach

1C:Enterprise/OneScript code example

    URL    = "https://b24-ar17wx.bitrix24.by/rest/1/h0m...";
    TaskID = "8350";
    FileID = "44672";

    Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID);

    URL    = "b24-ar17wx.bitrix24.by";
    Token  = "8a1bee68006e9f06006b12e400000001000...";
    TaskID = "8352";

    Result = OPI_Bitrix24.AttachFileToTopic(URL, TaskID, FileID, Token);

Bash

    oint bitrix24 AttachFileToTopic \
     --url "b24-ar17wx.bitrix24.by" \
     --task "8402" \
     --fileid 44942 \
     --token "***"

CMD/Bat

    oint bitrix24 AttachFileToTopic ^
     --url "b24-ar17wx.bitrix24.by" ^
     --task "8402" ^
     --fileid 44942 ^
     --token "***"

Result

{
 "result": {
  "attachmentId": 12548
 },
 "time": {
  "start": 1760521934,
  "finish": 1760521934.37394,
  "duration": 0.373939037322998,
  "processing": 0,
  "date_start": "2025-10-15T09:52:14+00:00",
  "date_finish": "2025-10-15T09:52:14+00:00",
  "operating_reset_at": 1760522534,
  "operating": 0
 }
}