> ## 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.

# List Custom URL Categories

Retrieve the data of the custom URL categories for a specified rulestack.

<Note>
  External Documentation

  To learn more, visit the [Palo Alto Cloud NGFW documentation](https://pan.dev/cloudngfw/api/aws/get-v-1-config-rulestacks-rulestackname-urlcustomcategories/).
</Note>

## Parameters

<div className="integrations-table">
  | Parameter      | Description                                            |
  | -------------- | ------------------------------------------------------ |
  | Rulestack Name | The name of the rulestack to list URL categories from. |
</div>

## Example Output

```json theme={"dark"}
{
	"Response": {
		"CategoriesCandidate": [
			"string"
		],
		"CategoriesPreDefined": [
			"string"
		],
		"CategoriesRunning": [
			"string"
		],
		"CategoriesUncommitted": [
			{
				"Name": "string",
				"Operation": "string"
			}
		],
		"NextToken": "string",
		"RuleStackName": "string"
	},
	"ResponseStatus": {
		"ErrorCode": 0,
		"Reason": "string"
	}
}
```

## Workflow Library Example

[List Custom Url Categories with Palo Alto Cloud Ngfw and Send Results Via Email](https://library.blinkops.com/workflows/list-custom-url-categories-with-palo-alto-cloud-ngfw-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/list-custom-url-categories-with-palo-alto-cloud-ngfw-and-send-results-via-email/canvas" />
</div>