> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.awork.com/apiv1/agent-runtime/put-agents-models-settings-presets-by-preset-key/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.awork.com/_mcp/server.

# Sets a workspace preset to Auto or a selected active text model.

PUT https://api.awork.com/api/v1/agents/models/settings/presets/{presetKey}
Content-Type: application/json

Updates a workspace model preset to use central Auto selection or an explicit active text model.
Identify the preset by its catalog key and provide the assignment in the request body.
Returns no content when the assignment is saved, or a validation error if the selection is invalid.The user must be an admin or have `workspace-manage-config:write` permissions.

Reference: https://developers.awork.com/apiv1/agent-runtime/put-agents-models-settings-presets-by-preset-key

## Authentication

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

## Request

### Path parameters

- `presetKey` (string, required) — The preset key.

### Body (application/json)

This endpoint expects a SetModelPresetRequestModel.

- `isAuto` (boolean, required) — Whether the preset uses the central Auto mapping.
- `modelKey` (string, optional, nullable) — The explicit model key when Auto is false.
- `reasoningLevel` (string, optional, nullable) — The explicit reasoning level when Auto is false.

## Response

### 204

No Content

## Errors

### 400 Bad Request Error

Bad Request

- `code` (string, required) — The error code.
- `description` (string, required) — The description of the error.
- `link` (string, required) — The link to the API documentation page.
- `details` (list of string, optional, nullable) — A list of details describing the error.
- `validationErrors` (list of ValidationErrorResponse, optional, nullable) — If a validation error occurred, this contains the validation errors for each property.
- `traceId` (string, optional, nullable) — The request trace id for tracking the request.

### 401 Unauthorized Error

Unauthorized

- `code` (string, required) — The error code.
- `description` (string, required) — The description of the error.
- `link` (string, required) — The link to the API documentation page.
- `details` (list of string, optional, nullable) — A list of details describing the error.
- `validationErrors` (list of ValidationErrorResponse, optional, nullable) — If a validation error occurred, this contains the validation errors for each property.
- `traceId` (string, optional, nullable) — The request trace id for tracking the request.

## Types

### ValidationErrorResponse

The validation error response.

- `property` (string, optional, nullable) — The name of the property that failed validation.
- `message` (string, optional, nullable) — The reason why this property failed validation.

## Examples

**Request**

```json
{
  "isAuto": false
}
```

**SDK Code**

```python
import requests

url = "https://api.awork.com/api/v1/agents/models/settings/presets/presetKey"

payload = { "isAuto": False }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```javascript
const url = 'https://api.awork.com/api/v1/agents/models/settings/presets/presetKey';
const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"isAuto":false}'
};

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.awork.com/api/v1/agents/models/settings/presets/presetKey"

	payload := strings.NewReader("{\n  \"isAuto\": false\n}")

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

	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.awork.com/api/v1/agents/models/settings/presets/presetKey")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"isAuto\": false\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.put("https://api.awork.com/api/v1/agents/models/settings/presets/presetKey")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"isAuto\": false\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://api.awork.com/api/v1/agents/models/settings/presets/presetKey', [
  'body' => '{
  "isAuto": false
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.awork.com/api/v1/agents/models/settings/presets/presetKey");
var request = new RestRequest(Method.PUT);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"isAuto\": false\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["isAuto": false] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.awork.com/api/v1/agents/models/settings/presets/presetKey")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PUT"
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()
```