---
sidebar_position: 6
---
# Complete tasks checklist element
Mark an element as completed
`Function CompleteTasksChecklistElement(Val URL, Val TaskID, Val ElementID, Val Token = "") Export`
| Parameter | CLI option | Type | Description |
|-|-|-|-|
| URL | --url | String | URL of webhook or a Bitrix24 domain, when token used |
| TaskID | --task | Number, String | Task ID |
| ElementID | --element | Number, String | Element 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: [task.checklistitem.complete](https://dev.1c-bitrix.ru/rest_help/tasks/task/checklistitem/complete.php)
:::
```bsl title="Code example"
URL = FunctionParameters["Bitrix24_URL"];
TaskID = FunctionParameters["Bitrix24_HookTaskID"];
ElementID = FunctionParameters["Bitrix24_HookCheckElementID"];
Result = OPI_Bitrix24.CompleteTasksChecklistElement(URL, TaskID, ElementID);
OPI_TestDataRetrieval.WriteLog(Result, "CompleteTasksChecklistElement (wh)", "Bitrix24");
TaskID = FunctionParameters["Bitrix24_TaskID"];
ElementID = FunctionParameters["Bitrix24_CheckElementID"];
URL = FunctionParameters["Bitrix24_Domain"];
Token = FunctionParameters["Bitrix24_Token"];
Result = OPI_Bitrix24.CompleteTasksChecklistElement(URL, TaskID, ElementID, Token);
```
```sh title="CLI command example"
oint bitrix24 CompleteTasksChecklistElement --url "b24-ar17wx.bitrix24.by" --task "1080" --element "400" --token "fe3fa966006e9f06006b12e400000001000..."
```
```json title="Result"
{
"result": true,
"time": {
"start": 1720816509.8981,
"finish": 1720816509.94922,
"duration": 0.0511200428009033,
"processing": 0.0246191024780273,
"date_start": "2024-07-12T20:35:09+00:00",
"date_finish": "2024-07-12T20:35:09+00:00",
"operating_reset_at": 1720817109,
"operating": 0
}
}
```