> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blinkops.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update An ACL

Update an Access Control List (ACL) for a particular service and version.

**Note**: Using this action requires Engineer-level permissions or higher.

<Note>
  External Documentation

  To learn more, visit the [Fastly documentation](https://www.fastly.com/documentation/reference/api/acls/acl/#update-acl).
</Note>

## Parameters

<div className="integrations-table">
  | Parameter          | Description                                                                                                              |
  | ------------------ | ------------------------------------------------------------------------------------------------------------------------ |
  | ACL's Current Name | The name of the ACL. Must start with a letter or a number and contain only letters, numbers, underscores and whitespace. |
  | ACL's New Name     | The new name for the ACL.                                                                                                |
  | Service ID         | The unique identifier of the service.                                                                                    |
  | Version ID         | The unique identifier of the version.                                                                                    |
</div>

## Example Output

```json theme={"dark"}
{
	"version": "1",
	"name": "updated-test-acl",
	"service_id": "SU1Z0isxPaozGVKXdv0eY",
	"id": "2cFflPOskFLhmnZJEKU7y6",
	"created_at": "2020-04-21T18:14:32.000Z",
	"deleted_at": null,
	"updated_at": "2020-04-21T18:14:32.000Z"
}
```

## Workflow Library Example

[Update an Acl with Fastly and Send Results Via Email](https://library.blinkops.com/workflows/update-an-acl-with-fastly-and-send-results-via-email)

<div className="iframe-wrapper">
  <div className="iframe-media">
    <img src="https://mintcdn.com/blinkops-2/ojHYuDeYX5FWuN8a/img/Icons/play-box.svg?fit=max&auto=format&n=ojHYuDeYX5FWuN8a&q=85&s=b8af968e71438a9499c3223c9bd29fb2" alt="Workflow Library" width="16" height="16" data-path="img/Icons/play-box.svg" />

    Preview this Workflow on desktop
  </div>

  <iframe className="iframe" src="https://library.blinkops.com/workflows/update-an-acl-with-fastly-and-send-results-via-email/canvas" />
</div>