> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://next.developer.frame.io/platform/v4-experimental/api-reference/metadata-fields/metadata-field-definitions-update/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://next.developer.frame.io/_mcp/server.

# Update account level custom field definitions

PATCH https://api.frame.io/v4/accounts/{account_id}/metadata/field_definitions/{field_definition_id}
Content-Type: application/json

Update account level custom field definitions.
This endpoint has been added to `Current Version` of the API.
Please see [https://developer.adobe.com/frameio/api/current/#tag/Files/operation/metadata.field\_definitions.update](https://developer.adobe.com/frameio/api/current/#tag/Files/operation/metadata.field_definitions.update).
Rate Limits: 10 calls per 1.00 minute(s) per account\_user

Reference: https://next.developer.frame.io/platform/api-reference/metadata-fields/metadata-field-definitions-update

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `account_id` (string, required)
- `field_definition_id` (string, required)

### Headers

- `api-version` (enum, required)
  - Allowed values: `experimental`

### Body (application/json)

This endpoint expects an UpdateFieldDefinitionParams.

- `data` (UpdateFieldDefinitionParamsData, optional)

## Response

### 200

OK

- `data` (FieldDefinition, required)

## Errors

### 400 Bad Request Error

Bad request

- `errors` (list of BadRequestErrorsItems, required)

### 401 Unauthorized Error

Unauthorized

- `errors` (list of UnauthorizedErrorsItems, required)

### 403 Forbidden Error

Forbidden

- `errors` (list of ForbiddenErrorsItems, required)

### 404 Not Found Error

Not found

- `errors` (list of NotFoundErrorsItems, required)

### 409 Conflict Error

Conflict

- `errors` (list of ConflictErrorsItems, required)

### 422 Unprocessable Entity Error

Unprocessable content

- `errors` (list of UnprocessableContentErrorsItems, required)

### 429 Too Many Requests Error

Too many requests

- `errors` (list of TooManyRequestsErrorsItems, required)

## Types

### UpdateFieldDefinitionParamsData

- `field_type`: `date` (UpdateDateDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingDateFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `long_text` (UpdateLongTextDefinitionParams)
  - `name` (string, optional) — Field definition name
- `field_type`: `number` (UpdateNumberDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingNumberFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `rating` (UpdateRatingDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingRatingFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `select` (UpdateSelectDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `select_multi` (UpdateSelectMultiDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectMultiFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `text` (UpdateTextDefinitionParams)
  - `name` (string, optional) — Field definition name
- `field_type`: `toggle` (UpdateToggleDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingToggleFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `user_multi` (UpdateUserMultiDefinitionParams)
  - `field_configuration` (UpdateFieldDefinitionParamsDataDiscriminatorMappingUserMultiFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name
- `field_type`: `user_single` (UpdateUserSingleDefinitionParams)
  - `field_configuration` (UpdateUserSingleDefinitionParamsFieldConfiguration, optional)
  - `name` (string, optional) — Field definition name

### FieldDefinition

- `field_type`: `date` (DateDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingDateFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `long_text` (LongTextDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingLongTextFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `number` (NumberDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingNumberFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `rating` (RatingDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingRatingFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `select` (SelectDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingSelectFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `select_multi` (SelectMultiDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingSelectMultiFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `text` (TextDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingTextFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `toggle` (ToggleDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingToggleFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `user_multi` (UserMultiDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingUserMultiFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp
- `field_type`: `user_single` (UserSingleDefinition)
  - `created_at` (string, required) — Created Timestamp
  - `creator_id` (string, required) — Field definition creator ID
  - `field_configuration` (FieldDefinitionDiscriminatorMappingUserSingleFieldConfiguration, required)
  - `id` (string, required) — Field definition ID
  - `mutable` (boolean, required) — Field definition mutability. System fields cannot be updated.
  - `name` (string, required) — FieldDefinition Name
  - `updated_at` (string, required) — Updated Timestamp

### BadRequestErrorsItems

- `detail` (string, required)
- `source` (BadRequestErrorsItemsSource, optional)
- `title` (string, optional)

### UnauthorizedErrorsItems

- `detail` (string, required)
- `source` (UnauthorizedErrorsItemsSource, optional)
- `title` (string, optional)

### ForbiddenErrorsItems

- `detail` (string, required)
- `source` (ForbiddenErrorsItemsSource, optional)
- `title` (string, optional)

### NotFoundErrorsItems

- `detail` (string, required)
- `source` (NotFoundErrorsItemsSource, optional)
- `title` (string, optional)

### ConflictErrorsItems

- `detail` (string, required)
- `source` (ConflictErrorsItemsSource, optional)
- `title` (string, optional)

### UnprocessableContentErrorsItems

- `detail` (string, required)
- `source` (UnprocessableContentErrorsItemsSource, optional)
- `title` (string, optional)

### TooManyRequestsErrorsItems

- `detail` (string, required)
- `source` (TooManyRequestsErrorsItemsSource, optional)
- `title` (string, optional)

### UpdateFieldDefinitionParamsDataDiscriminatorMappingDateFieldConfiguration

- `display_format` (enum, optional, default: local)
  - Allowed values: `local`, `friendly`, `usa`, `euro`, `iso`
- `display_timezone` (boolean, optional, default: false)
- `include_time` (boolean, optional, default: false)
- `time_format` (enum, optional, default: twelve_hour)
  - Allowed values: `twelve_hour`, `twenty_four_hour`

### UpdateFieldDefinitionParamsDataDiscriminatorMappingNumberFieldConfiguration

- `number_format` (enum, optional) — Number format
  - Allowed values: `bitrate`, `bits`, `duration`, `framerate`, `frequency`, `storage`, `timecode`
- `scale` (integer, optional) — Number scale. Indicates the number of decimal places of precision for the number value

### UpdateFieldDefinitionParamsDataDiscriminatorMappingRatingFieldConfiguration

- `color` (string, optional) — Color value hex code for the `style` icon symbols. ex: #fbd400
- `max_value` (integer, optional)
- `style` (enum, optional) — Field type
  - Allowed values: `star`, `heart`, `thumbs_up`

### UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectFieldConfiguration

- `enable_add_new` (boolean, optional, default: true) — Allow or disallow adding in new option(s) from the grid/list view
- `options` (list of UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectFieldConfigurationOptionsItems, optional)

### UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectMultiFieldConfiguration

- `enable_add_new` (boolean, optional, default: true) — Allow or disallow adding in new option(s) from the grid/list view
- `options` (list of UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectMultiFieldConfigurationOptionsItems, optional)

### UpdateFieldDefinitionParamsDataDiscriminatorMappingToggleFieldConfiguration

- `color` (string, optional) — Color value hex code. ex: #fbd400

### UpdateFieldDefinitionParamsDataDiscriminatorMappingUserMultiFieldConfiguration

- `member_options_type` (enum, required)
  - Allowed values: `all_project_members`, `custom`
- `notify_members` (boolean, required)
- `custom_members` (list of UpdateFieldDefinitionParamsDataDiscriminatorMappingUserMultiFieldConfigurationCustomMembersItems, optional)

### UpdateUserSingleDefinitionParamsFieldConfiguration

- `member_options_type` (enum, required)
  - Allowed values: `all_project_members`, `custom`
- `notify_members` (boolean, required)
- `custom_members` (list of UpdateUserSingleDefinitionParamsFieldConfigurationCustomMembersItems, optional)

### FieldDefinitionDiscriminatorMappingDateFieldConfiguration

- `display_format` (enum, required, default: local)
  - Allowed values: `local`, `friendly`, `usa`, `euro`, `iso`
- `display_timezone` (boolean, optional, default: false)
- `include_time` (boolean, optional, default: false)
- `time_format` (enum, optional, default: twelve_hour)
  - Allowed values: `twelve_hour`, `twenty_four_hour`

### FieldDefinitionDiscriminatorMappingLongTextFieldConfiguration

### FieldDefinitionDiscriminatorMappingNumberFieldConfiguration

- `scale` (integer, required) — Number scale. Indicates the number of decimal places of precision for the number value
- `number_format` (enum, optional, nullable) — Number format
  - Allowed values: `bitrate`, `bits`, `duration`, `framerate`, `frequency`, `storage`, `timecode`

### FieldDefinitionDiscriminatorMappingRatingFieldConfiguration

- `max_value` (integer, required)
- `color` (string, optional, nullable) — Color value hex code for the `style` icon symbols. ex: #fbd400
- `style` (enum, optional, nullable) — Field type
  - Allowed values: `star`, `heart`, `thumbs_up`

### FieldDefinitionDiscriminatorMappingSelectFieldConfiguration

- `options` (list of FieldDefinitionDiscriminatorMappingSelectFieldConfigurationOptionsItems, required)
- `enable_add_new` (boolean, optional, default: true) — Allow or disallow adding in new option(s) from the grid/list view

### FieldDefinitionDiscriminatorMappingSelectMultiFieldConfiguration

- `options` (list of FieldDefinitionDiscriminatorMappingSelectMultiFieldConfigurationOptionsItems, required)
- `enable_add_new` (boolean, optional, default: true) — Allow or disallow adding in new option(s) from the grid/list view

### FieldDefinitionDiscriminatorMappingTextFieldConfiguration

### FieldDefinitionDiscriminatorMappingToggleFieldConfiguration

- `color` (string, required, nullable) — Color value hex code. ex: #fbd400

### FieldDefinitionDiscriminatorMappingUserMultiFieldConfiguration

- `custom_members` (list of FieldDefinitionDiscriminatorMappingUserMultiFieldConfigurationCustomMembersItems, required)
- `member_options_type` (enum, required)
  - Allowed values: `all_project_members`, `custom`
- `notify_members` (boolean, required)

### FieldDefinitionDiscriminatorMappingUserSingleFieldConfiguration

- `custom_members` (list of FieldDefinitionDiscriminatorMappingUserSingleFieldConfigurationCustomMembersItems, required)
- `member_options_type` (enum, required)
  - Allowed values: `all_project_members`, `custom`
- `notify_members` (boolean, required)

### BadRequestErrorsItemsSource

- `pointer` (string, optional)

### UnauthorizedErrorsItemsSource

- `pointer` (string, optional)

### ForbiddenErrorsItemsSource

- `pointer` (string, optional)

### NotFoundErrorsItemsSource

- `pointer` (string, optional)

### ConflictErrorsItemsSource

- `pointer` (string, optional)

### UnprocessableContentErrorsItemsSource

- `pointer` (string, optional)

### TooManyRequestsErrorsItemsSource

- `pointer` (string, optional)

### UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectFieldConfigurationOptionsItems

- `display_name` (string, required) — Option display name
- `color` (string, optional) — Color value hex code for the `display_name`. ex: #fbd400

### UpdateFieldDefinitionParamsDataDiscriminatorMappingSelectMultiFieldConfigurationOptionsItems

- `display_name` (string, required) — Option display name
- `color` (string, optional) — Color value hex code for the `display_name`. ex: #fbd400

### UpdateFieldDefinitionParamsDataDiscriminatorMappingUserMultiFieldConfigurationCustomMembersItems

- `id` (string, required) — User Id
- `type` (enum, required)
  - Allowed values: `user`, `account_user_group`

### UpdateUserSingleDefinitionParamsFieldConfigurationCustomMembersItems

- `id` (string, required) — User Id
- `type` (enum, required)
  - Allowed values: `user`, `account_user_group`

### FieldDefinitionDiscriminatorMappingSelectFieldConfigurationOptionsItems

- `display_name` (string, required) — Option display name
- `color` (string, optional, nullable) — Color value hex code for the `display_name`. ex: #fbd400
- `id` (string, optional)

### FieldDefinitionDiscriminatorMappingSelectMultiFieldConfigurationOptionsItems

- `display_name` (string, required) — Option display name
- `color` (string, optional, nullable) — Color value hex code for the `display_name`. ex: #fbd400
- `id` (string, optional)

### FieldDefinitionDiscriminatorMappingUserMultiFieldConfigurationCustomMembersItems

- `id` (string, required) — User Id
- `type` (enum, required)
  - Allowed values: `user`, `account_user_group`

### FieldDefinitionDiscriminatorMappingUserSingleFieldConfigurationCustomMembersItems

- `id` (string, required) — User Id
- `type` (enum, required)
  - Allowed values: `user`, `account_user_group`

## Examples

**Request**

```json
{
  "data": {
    "field_type": "select",
    "field_configuration": {
      "enable_add_new": false,
      "options": [
        {
          "display_name": "Option 1"
        },
        {
          "display_name": "Option 2"
        }
      ]
    },
    "name": "Updated-Field-Name"
  }
}
```

**Response**

```json
{
  "data": {
    "field_type": "select",
    "created_at": "2024-01-25T19:18:29.614189Z",
    "creator_id": "bc4920f6-cba7-4e53-8e36-d99caf99200a",
    "field_configuration": {
      "options": [
        {
          "display_name": "Option 1",
          "id": "071d6fb3-ffd2-4e71-8eeb-65c3e4db56f2"
        },
        {
          "display_name": "Option 2",
          "id": "c146457c-eb1b-4f67-a3cf-47755cd2630b"
        }
      ],
      "enable_add_new": false
    },
    "id": "af27eacf-f82b-4729-8879-8d034df97b64",
    "mutable": true,
    "name": "Fields definition name",
    "updated_at": "2024-02-07T16:44:41.986478Z"
  }
}
```

**SDK Code**

```python
import requests

url = "https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe"

payload = { "data": {
        "field_type": "select",
        "field_configuration": {
            "enable_add_new": False,
            "options": [{ "display_name": "Option 1" }, { "display_name": "Option 2" }]
        },
        "name": "Updated-Field-Name"
    } }
headers = {
    "api-version": "experimental",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe';
const options = {
  method: 'PATCH',
  headers: {
    'api-version': 'experimental',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: '{"data":{"field_type":"select","field_configuration":{"enable_add_new":false,"options":[{"display_name":"Option 1"},{"display_name":"Option 2"}]},"name":"Updated-Field-Name"}}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe"

	payload := strings.NewReader("{\n  \"data\": {\n    \"field_type\": \"select\",\n    \"field_configuration\": {\n      \"enable_add_new\": false,\n      \"options\": [\n        {\n          \"display_name\": \"Option 1\"\n        },\n        {\n          \"display_name\": \"Option 2\"\n        }\n      ]\n    },\n    \"name\": \"Updated-Field-Name\"\n  }\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("api-version", "experimental")
	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["api-version"] = 'experimental'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"data\": {\n    \"field_type\": \"select\",\n    \"field_configuration\": {\n      \"enable_add_new\": false,\n      \"options\": [\n        {\n          \"display_name\": \"Option 1\"\n        },\n        {\n          \"display_name\": \"Option 2\"\n        }\n      ]\n    },\n    \"name\": \"Updated-Field-Name\"\n  }\n}"

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.patch("https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe")
  .header("api-version", "experimental")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"data\": {\n    \"field_type\": \"select\",\n    \"field_configuration\": {\n      \"enable_add_new\": false,\n      \"options\": [\n        {\n          \"display_name\": \"Option 1\"\n        },\n        {\n          \"display_name\": \"Option 2\"\n        }\n      ]\n    },\n    \"name\": \"Updated-Field-Name\"\n  }\n}")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe', [
  'body' => '{
  "data": {
    "field_type": "select",
    "field_configuration": {
      "enable_add_new": false,
      "options": [
        {
          "display_name": "Option 1"
        },
        {
          "display_name": "Option 2"
        }
      ]
    },
    "name": "Updated-Field-Name"
  }
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
    'api-version' => 'experimental',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe");
var request = new RestRequest(Method.PATCH);
request.AddHeader("api-version", "experimental");
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"data\": {\n    \"field_type\": \"select\",\n    \"field_configuration\": {\n      \"enable_add_new\": false,\n      \"options\": [\n        {\n          \"display_name\": \"Option 1\"\n        },\n        {\n          \"display_name\": \"Option 2\"\n        }\n      ]\n    },\n    \"name\": \"Updated-Field-Name\"\n  }\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "api-version": "experimental",
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["data": [
    "field_type": "select",
    "field_configuration": [
      "enable_add_new": false,
      "options": [["display_name": "Option 1"], ["display_name": "Option 2"]]
    ],
    "name": "Updated-Field-Name"
  ]] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.frame.io/v4/accounts/8c787f6f-44a4-41ea-946c-847f345c5bbe/metadata/field_definitions/c679ef3d-e3a5-4836-98b9-af4c57d47fbe")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PATCH"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```