## Update item adjustment

### cURL

```bash
curl --request PATCH \ 
  --url https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId} \ 
  --header 'Authorization: Bearer <token>' \ 
  --header 'Content-Type: application/json' \ 
  --header 'x-fabric-tenant-id: <x-fabric-tenant-id>' \ 
  --data '\n{\n  "reason": "Price adjustment from Customer Representative",\n  "attributes": {\n    "source": "CSR"\n  }\n}\n'  
```

### Python

```python
import requests

url = "https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}"

payload = {
    "reason": "Price adjustment from Customer Representative",
    "attributes": { "source": "CSR" }
}
headers = {
    "x-fabric-tenant-id": "<x-fabric-tenant-id>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)
```

### JavaScript (Fetch)

```javascript
const options = {
  method: 'PATCH',
  headers: {
    'x-fabric-tenant-id': '<x-fabric-tenant-id>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    reason: 'Price adjustment from Customer Representative',
    attributes: {source: 'CSR'}
  })
};

fetch('https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
```

### PHP

```php
<?php

$curl = curl_init();

curl_setopt_array($curl, [\
  CURLOPT_URL => "https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}",\
  CURLOPT_RETURNTRANSFER => true,\
  CURLOPT_ENCODING => "",\
  CURLOPT_MAXREDIRS => 10,\
  CURLOPT_TIMEOUT => 30,\
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,\
  CURLOPT_CUSTOMREQUEST => "PATCH",\
  CURLOPT_POSTFIELDS => json_encode([\
    'reason' => 'Price adjustment from Customer Representative',\
    'attributes' => [\
        'source' => 'CSR'\
    ]\
  ]),\
  CURLOPT_HTTPHEADER => [\
    "Authorization: Bearer <token>",\
    "Content-Type: application/json",\
    "x-fabric-tenant-id: <x-fabric-tenant-id>"\
  ],\
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
?>
```

### Go

```go
package main

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

func main() {

url := "https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}"

payload := strings.NewReader("{\n  \"reason\": \"Price adjustment from Customer Representative\",\n  \"attributes\": {\n    \"source\": \"CSR\"\n  }\n}")

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

req.Header.Add("x-fabric-tenant-id", "<x-fabric-tenant-id>")
	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(string(body))
}
```

### Unirest (Java)

```java
HttpResponse<String> response = Unirest.patch("https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}")
  .header("x-fabric-tenant-id", "<x-fabric-tenant-id>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"reason\": \"Price adjustment from Customer Representative\",\n  \"attributes\": {\n    \"source\": \"CSR\"\n  }\n}")
  .asString();
```

### Ruby

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

url = URI("https://api.fabric.inc/v3/carts/{cartId}/items/{itemId}/adjustments/{adjustmentId}")

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

request = Net::HTTP::Patch.new(url)
request["x-fabric-tenant-id"] = '<x-fabric-tenant-id>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"reason\": \"Price adjustment from Customer Representative\",\n  \"attributes\": {\n    \"source\": \"CSR\"\n  }\n}"

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

### Response

#### Successful Response
```json
{
  "id": "a8577d7f-0d4d-4b22-8e85-7b4a2e90dc93",
  "price": {
    "amount": 12.99
  },
  "reason": "Price adjustment from customer representative.",
  "attributes": {
    "source": "CSR"
  },
  "updatedAt": "2024-06-13T16:50:00.682Z",
  "createdAt": "2024-06-13T16:50:00.682Z"
}
```

### Error Responses

#### Bad Request
```json
{
  "type": "BAD_REQUEST",
  "message": "x-fabric-tenant-id is required"
}
```

#### Cart Not Found
```json
{
  "type": "CART_NOT_FOUND",
  "message": "Cart not found"
}
```