## Update Multiple Custom Columns

### Overview

Endpoint is used for updating value of multiple user defined product columns. In order to do that you must:

- Be authenticated user

For information on how you can authenticate, see: [Authentication](https://developer.sellercloud.com/dev-article/authentication/)

### Endpoint

NOTE: Endpoint “PUT /api/Products/{productID}/CustomColumnsMultiple” is obsolete as it does not support special characters in the productID. Use the new endpoint presented in this article.

Example for such endpoint for TT server is https://tt.api.sellercloud.com/api/Products/CustomColumns

For your server endpoint will be:

https://{your_server_id}.api.sellercloud.com/api/Products/CustomColumns

### Request

- Method Type: **HttpPut**  
- Authorization: Use **Bearer Token** + token received from token authentication  
- Header info: **Content-Type: application/json**  
- Body data:

|     |     |     |     |
| --- | --- | --- | --- |
| **Parameter** | **Data Type** | **Description** | **Is Required** |
| ProductID | integer | ID of existing product | Yes |
| model | List | List of custom columns to update | Yes |
| Column.ColumnName | string | Name of existing column | Yes |
| Column.Value | string | Column value | Yes |

### Response

- If server error appears, then response will be with status code 500 => Internal Server Error
- If updating value of custom columns is successful, status code will be OK 200