Update Epic in Scrum tasks.api.scrum.epic.update

If you are developing integrations for Bitrix24 using AI tools (Codex, Claude Code, Cursor), connect to the MCP server so that the assistant can utilize the official REST documentation.

Scope: task

Who can execute the method: any user with access to Scrum

This method updates an epic in Scrum.

Method Parameters

Required parameters are marked with *

Name
type

Description

id*
integer

Epic identifier.

You can obtain epic identifiers using the tasks.api.scrum.epic.list method.

fields*
array

Field values (detailed description provided below) for adding a new epic in the form of a structure:

fields: {
            name: 'value',
            groupId: 'value',
            description: 'value',
            color: 'value',
            files: [
                'file1',
                'file2',
                ...
            ]
        
        }

Parameter fields

Required parameters are marked with *

Name `type`	Description
name* `string`	Epic name
description `string`	Epic description
groupId* `integer`	Group identifier (Scrum) to which the epic belongs
color `string`	Epic color
files `array`	Array of files associated with the epic. In `files`, you can pass an array of values with file identifiers, specifying the prefix `n` for each identifier. Attention If you pass an empty array, the files will be deleted.

Code Examples

How to Use Examples in Documentation

cURL (Webhook)

cURL (OAuth)

PHP

BX24.js

PHP CRest

curl -X POST \
        -H "Content-Type: application/json" \
        -d '{
        "fields": {
            "id": 1,
            "fields": {
                "name": "Updated epic name",
                "description": "Updated description text",
                "color": "#bbecf1",
                "files": ["n429", "n243"]
            }
        },
        }' \
        https://your-domain.bitrix24.com/rest/_USER_ID_/_CODE_/tasks.api.scrum.epic.update

curl -X POST \
        -H "Content-Type: application/json" \
        -d '{
        "fields": {
            "id": 1,
            "fields": {
                "name": "Updated epic name",
                "description": "Updated description text",
                "color": "#bbecf1",
                "files": ["n429", "n243"]
            }
        },
        auth=YOUR_ACCESS_TOKEN
        }' \
        https://your-domain.bitrix24.com/rest/tasks.api.scrum.epic.update

try
        {
        	const response = await $b24.callMethod(
        		'tasks.api.scrum.epic.update',
        		{
        			id: epicId,
        			fields:{
        				name: name,
        				description: description,
        				color: color,
        				files: files
        			}
        		}
        	);
        	
        	const result = response.getData().result;
        	console.log(result);
        }
        catch( error )
        {
        	console.error('Error:', error);
        }

try {
            $epicId = 1;
            $name = 'Updated epic name';
            $description = 'Updated description text';
            $color = '#bbecf1';
            $files = ['n429', 'n243'];
        
            $response = $b24Service
                ->core
                ->call(
                    'tasks.api.scrum.epic.update',
                    [
                        'id' => $epicId,
                        'fields' => [
                            'name' => $name,
                            'description' => $description,
                            'color' => $color,
                            'files' => $files
                        ]
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error updating epic: ' . $e->getMessage();
        }

const epicId = 1;
        const name = 'Updated epic name';
        const description = 'Updated description text';
        const color = '#bbecf1';
        const files = ['n429', 'n243'];
        BX24.callMethod(
            'tasks.api.scrum.epic.update',
            {
                id: epicId,
                fields:{
                    name: name,
                    description: description,
                    color: color,
                    files: files
                }
            },
            function(res)
            {
                console.log(res);
            }
        );

require_once('crest.php'); // connecting CRest PHP SDK
        $epicId = 1;
        $name = 'Updated epic name';
        $description = 'Updated description text';
        $color = '#bbecf1';
        $files = ['n429', 'n243'];
        
        // executing request to REST API
        $result = CRest::call(
        'tasks.api.scrum.epic.update',
        [
            'id' => $epicId,
            'fields' => [
                'name' => $name,
                'description' => $description,
                'color' => $color,
                'files' => $files
            ]
        ]
        );
        
        // Processing the response from Bitrix24
        if ($result['error']) {
            echo 'Error: '.$result['error_description'];
        }
        else {
            print_r($result['result']);
        }

Response Handling

HTTP Status: 200

{
            "id": 1,
            "groupId": 143,
            "name": "Updated epic name",
            "description": "Updated description text",
            "createdBy": 1,
            "modifiedBy": 1,
            "color": "#bbecf1"
        }

Returned Data

Name `type`	Description
id `integer`	Epic identifier
groupId `integer`	Group identifier (Scrum) to which the epic is linked
name `string`	Epic name
description `string`	Epic description
createdBy `integer`	Identifier of the user who created the epic
modifiedBy `integer`	Identifier of the user who last modified the epic
color `string`	Epic color

Error Handling

HTTP Status: 400

{
            "error": 0,
            "error_description": "Epic not updated"
        }

Name `type`	Description
error `string`	String error code. It may consist of digits, Latin letters, and underscores
error_description `error_description`	Textual description of the error. The description is not intended to be shown to the end user in its raw form

Possible Error Codes

Code	Description	Value
`0`	Access denied	No access to view epic data
`0`	Epic not found	The epic does not exist
`0`	Epic not updated	Failed to update the epic
`0`	createdBy user not found	User in the "creator" field not found
`0`	modifiedBy user not found	User in the "last modified by" field not found
`100`	Could not find value for parameter	Incorrect parameter name or parameter not set
`100`	Invalid value {stringValue} to match with parameter {id}. Should be value of type int.	Invalid parameter type

Statuses and System Error Codes

HTTP Status: 20x, 40x, 50x

The errors described below may occur when calling any method.

Status	Code Error Message	Description
`500`	`INTERNAL_SERVER_ERROR` Internal server error	An internal server error has occurred. Please contact the server administrator or Bitrix24 technical support
`500`	`ERROR_UNEXPECTED_ANSWER` Server returned an unexpected response	An internal server error has occurred. Please contact the server administrator or Bitrix24 technical support
`503`	`QUERY_LIMIT_EXCEEDED` Too many requests	The request intensity limit has been exceeded
`405`	`ERROR_BATCH_METHOD_NOT_ALLOWED` Method is not allowed for batch usage	The current method is not permitted for calls using batch
`400`	`ERROR_BATCH_LENGTH_EXCEEDED` Max batch length exceeded	The maximum length of parameters passed to the batch method has been exceeded
`401`	`NO_AUTH_FOUND` Wrong authorization data	Invalid access token or webhook code
`400`	`INVALID_REQUEST` Https required	The HTTPS protocol is required for method calls
`503`	`OVERLOAD_LIMIT` REST API is blocked due to overload	The REST API is blocked due to overload. This is a manual individual block; please contact Bitrix24 technical support to lift it
`403`	`ACCESS_DENIED` REST API is available only on commercial plans	The REST API is only available on commercial plans
`403`	`INVALID_CREDENTIALS` Invalid request credentials	The user associated with the access token or webhook used to call the method lacks the necessary permissions
`404`	`ERROR_MANIFEST_IS_NOT_AVAILABLE` Manifest is not available	The manifest is not available
`403`	`insufficient_scope` The request requires higher privileges than provided by the webhook token	The request requires higher privileges than those provided by the webhook token
`401`	`expired_token` The access token provided has expired	The provided access token has expired
`403`	`user_access_error` The user does not have access to the application	The user does not have access to the application. This means that the application is installed, but the portal administrator has restricted access to this application to specific users only
`500`	`PORTAL_DELETED` Portal was deleted	The public part of the site is closed. To open the public part of the site on an on-premise installation, disable the "Temporary closure of the public part of the site" option. Path to the setting: Desktop > Settings > Product Settings > Module Settings > Main Module > Temporary closure of the public part of the site

Continue Learning

Add Epic to Scrum

Get Epic Fields by ID

Update Epic in Scrum tasks.api.scrum.epic.update

Method ParametersMethod Parameters

Parameter fieldsParameter fields

Code ExamplesCode Examples

Response HandlingResponse Handling

Returned DataReturned Data

Error HandlingError Handling

Possible Error CodesPossible Error Codes

Statuses and System Error CodesStatuses and System Error Codes

Continue LearningContinue Learning