> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs-unsw-v6.advance-uac.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs-unsw-v6.advance-uac.com/_mcp/server.

# Remove a specialisation from a curriculum container

DELETE https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/{structureId}/specialisations/{code}/{year}

Removes the specialisation from this container. The specialisation itself stays in the
institution's specialisation catalogue. Only its membership of this container is removed.

The `itemType` is not part of the path: a code identifies one specialisation, so it is
matched on code and year whichever kind it was added as.

404 if the container is unknown or the specialisation isn't in it.

Optionally assert the owner with `programCode` and `programYear`, or `specialisationCode` and `specialisationYear`. Supply one pair, not both.

Reference: https://docs-unsw-v6.advance-uac.com/unsw-advance-institution-api/catalogue/remove-a-specialisation-from-a-curriculum-container

## Authentication

- `Authorization` header (bearer token, required) — Paste a Keycloak access token (no "Bearer " prefix)

## Servers

- `https://unsw-v6-dev.advance-uac.com/institution-api` (Dev, default)
- `https://unsw-v6-test.advance-uac.com/institution-api` (Test)

## Request

### Path parameters

- `code` (string, required)
- `structureId` (string, required)
- `year` (integer, required)

### Query parameters

- `programCode` (string, optional)
- `programYear` (integer, optional)
- `specialisationCode` (string, optional)
- `specialisationYear` (integer, optional)

## Response

### 204

The specialisation was removed from the container.

## Errors

### 400 Bad Request Error

The request was rejected. See `error` for which field and why.

- `status` (integer, optional) — Repeats the HTTP status code.
- `error` (string, optional) — What went wrong, in a form safe to show a developer.

### 404 Not Found Error

No such container, or the specialisation is not in it.

- `status` (integer, optional) — Repeats the HTTP status code.
- `error` (string, optional) — What went wrong, in a form safe to show a developer.

## Examples

**SDK Code**

```python
import requests

url = "https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1"

headers = {"Authorization": "Bearer <token>"}

response = requests.delete(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1';
const options = {method: 'DELETE', headers: {Authorization: 'Bearer <token>'}};

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"
	"net/http"
	"io"
)

func main() {

	url := "https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1"

	req, _ := http.NewRequest("DELETE", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	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://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1")

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

request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'

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.delete("https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('DELETE', 'https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1");
var request = new RestRequest(Method.DELETE);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://unsw-v6-dev.advance-uac.com/institution-api/institution/catalogue/structures/structureId/specialisations/code/1")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "DELETE"
request.allHTTPHeaderFields = headers

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()
```