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# Update resource instance

PUT https://example.itential.io/lifecycle-manager/resources/{modelId}/instances/{instanceId}
Content-Type: application/json

Updates the `name` and `description` fields of a resource instance.

Reference: https://docs.itential.com/itential-cloud/api-reference/lifecycle-manager/update-instance-metadata-http

## Authentication

- `Authorization` header (basic auth, required) — Basic authentication of the form `Basic <base64(username:password)>`.

## Request

### Path parameters

- `modelId` (string, required) — modelId
- `instanceId` (string, required) — instanceId

### Body (application/json)

This endpoint expects an object.

- `name` (string, optional) — The name of the resource instance
- `description` (string, optional, default: ) — Free-form text describing the resource instance

## Response

### 200

response

- `data` (object, optional)
  - `_id` (any, required)
  - `name` (string, required) — The name of the resource instance
  - `description` (string, required, default: ) — Free-form text describing the resource instance
  - `modelId` (any, required)
  - `instanceData` (object, required, nullable) — The data for the resource instance
  - `lastAction` (object, required) — The last action that was run on this instance
    - `_id` (any, required) — The identifier of an action
    - `executionId` (any, required)
    - `name` (string, required) — The name of the action
    - `type` (enum, required) — The type of the action
      - Allowed values: `import`, `create`, `update`, `delete`
    - `status` (enum, required) — A single string describing the current activity status of this action
      - Allowed values: `running`, `error`, `complete`, `canceled`, `paused`
  - `created` (any, required) — An ISO date string denoting when this resource instance was created
  - `createdBy` (any, required) — The account identifier of the user who created this resource instance
  - `lastUpdated` (any, required) — An ISO date string denoting when this resource instance was last updated
  - `lastUpdatedBy` (any, required) — The account identifier of the user who last updated this resource instance
  - `instanceGroups` (list of object, optional) — The groups that this resource instance is a member of
    - `_id` (string, optional) — A string which is formatted like an ObjectId, Distinct from an actual ObjectId.
    - `name` (string, optional) — The name of the document

## Errors

### 500 Internal Server Error

Error response from API

- `any`

## Examples

**Request**

```json
{}
```

**Response**

```json
{
  "data": {
    "name": "VLAN Service",
    "description": "EC2 Instance in US-EAST-1 with ID ec2-12345678",
    "instanceData": {},
    "lastAction": {
      "_id": null,
      "name": "Create",
      "type": "import",
      "status": "running"
    },
    "created": null,
    "createdBy": null,
    "lastUpdated": null,
    "lastUpdatedBy": null,
    "instanceGroups": [
      {
        "_id": "string",
        "name": "myCoolDocumentName"
      }
    ]
  },
  "message": "Successfully created the requested item",
  "metadata": {}
}
```

**SDK Code**

```python
import requests

url = "https://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId"

payload = {}
headers = {"Content-Type": "application/json"}

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

print(response.json())
```

```javascript
const url = 'https://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId';
const options = {method: 'PUT', headers: {'Content-Type': 'application/json'}, body: '{}'};

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://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId"

	payload := strings.NewReader("{}")

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

	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://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId")

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

request = Net::HTTP::Put.new(url)
request["Content-Type"] = 'application/json'
request.body = "{}"

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://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId")
  .header("Content-Type", "application/json")
  .body("{}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('PUT', 'https://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId', [
  'body' => '{}',
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId");
var request = new RestRequest(Method.PUT);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Content-Type": "application/json"]
let parameters = [] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://example.itential.io/lifecycle-manager/resources/modelId/instances/instanceId")! 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()
```