# Updating value of a custom field for a given computer

This API updates a specified custom field for a particular resource ID by providing the field name and its new value.

## Endpoint

`POST /dcapi/customFields/computers/{ColumnID}/update`

## Request

### Request URL

`https://[{serverurl}](https://www.manageengine.com/products/desktop-central/help/api/cloud/oauth-authentication-endpoint-domain.html)/dcapi/customFields/computers/{ColumnID}/update`

### Scope

`DesktopCentralCloud.CustomField.CREATE`

### Header

`Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52`

### Request Parameters

#### Request Headers

- **Accept** `string` — **Mandatory**
  - `application/updateCustomFieldStatus.v1+json`
- **Content-Type** `string` — **Mandatory**
  - `application/updateCustomField.v1+json`

#### Path Parameters

- **ColumnID** `string` — **Mandatory**

  Provide the resource ID obtained from [this API](https://www.manageengine.com/products/desktop-central/help/api/cloud/computers-getcomputersinfo.html).

#### Request Body

`application/json`

`JSON Object`

- **fieldName** `string` — Optional

  The custom field name as the key (e.g., OS Type) with its new value as the string value.

### Sample Request

```curl
curl --request POST \
  --url https://appdomains/dcapi/customFields/computers/{ColumnID}/update \
  --header 'Accept: application/updateCustomFieldStatus.v1+json' \
  --header 'Authorization: Zoho-oauthtoken  d92d4xxxxxxxxxxxxx15f52' \
  --header 'Content-Type: application/updateCustomField.v1+json' \
  --data '{}'
```

### Sample Request Body

```json
{
  "OS Type": "Windows 10"
}
```

## Response

### Response Parameters

#### HTTP Code 200

Response body: `application/json`

`JSON Object`

- **status** `string`

  Indicates whether the custom field update was successful.

- **message** `string`

  Confirmation message of the custom field update operation.

### Possible Response Codes

- **200** `HTTP code`

### Sample Response: HTTP 200

```json
{
  "message": "Custom field has been updated successfully",
  "status": "SUCCESS"
}
```

## Rate Limit

![](https://www.zohowebstatic.com/sites/zweb/images/people/ico-help.png)

**Duration:** 1 minute | **Threshold:** 30 | **Lock period:** 5 minutes

Duration - Time window for the threshold.  
Threshold - Number of API calls allowed within the specified duration.  
Lock Period - Wait time before consecutive API requests.