# Upload a file to the custom field in computer

This API can be used to upload a file to a custom field of a given resource ID.

## Endpoint

**PUT** `/dcapi/customFields/computers/{ColumnID}/file`

## Request URL

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

## Scope

`DesktopCentralCloud.CustomField.CREATE`

## Header

`Authorization: Zoho-oauthtoken d92d4xxxxxxxxxxxxx15f52`

## Request Parameters

### Request Headers

- **Accept** `string` **Mandatory**: `application/uploadCustomFieldFile.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).

### Query Parameters

- **selectedResources** `string` *Optional*: The resource can be one of the following, depending on the view in which the custom field is created:
  - `RESOURCE_ID` — if the custom field is created in the Computer view
  - `SOFTWARE_ID` — if the custom field is created in the Software view
- **columnName** `string` *Optional*: Specifies the custom field column where the file should be uploaded.
- **tableName** `string` *Optional*: The table name can be any of the names provided in the list below:
  1. `ManagedComputerCustomFields`

### Request Body

`multipart/form-data`

**JSON Object**

- **uploadedFile** `string` *Optional*: The file to be uploaded to the custom field. Supported formats: archives, data files, images, presentation files, scripts, spreadsheets, and documents.
- **selectedResources** `string` *Optional*: Identifier of the resource to which the file will be attached.
- **columnName** `string` *Optional*: The custom field column where the file should be uploaded.
- **tableName** `string` *Optional*: Target table in which the custom field data will be stored.

## Sample Request

```curl
curl --request PUT \
  --url https://appdomains/dcapi/customFields/computers/{ColumnID}/file \
  --header 'Accept: application/uploadCustomFieldFile.v1+json' \
  --header 'Authorization: Zoho-oauthtoken  d92d4xxxxxxxxxxxxx15f52' \
  --header 'content-type: multipart/form-data'
```

## Sample Request Body

```text
// Note: payload contains multiple type attributes

// type: string
uploadedFile = File to be uploaded

// type: string
selectedResources = 301

// type: string
columnName = COL301

// type: string
tableName = ManagedComputerCustomFields
```

## Possible Response Codes

- **204** HTTP code

## Sample Response: HTTP 204

```text
204 No Content
```

## API Rate Limits

![](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.