## List User Agent Blocking rules

`client.Firewall.UARules.List(ctx, params) (*V4PagePaginationArray[UARuleListResponse], error)`

**get** `/zones/{zone_id}/firewall/ua_rules`

Fetches User Agent Blocking rules in a zone. You can filter the results using several optional parameters.

### Parameters

- `params UARuleListParams`

  - `ZoneID param.Field[string]`

    Path param: Defines an identifier.

  - `Description param.Field[string]`

    Query param: A string to search for in the description of existing rules.

  - `Page param.Field[float64]`

    Query param: Page number of paginated results.

  - `Paused param.Field[bool]`

    Query param: When true, indicates that the rule is currently paused.

  - `PerPage param.Field[float64]`

    Query param: The maximum number of results per page. You can only set the value to `1` or to a multiple of 5 such as `5`, `10`, `15`, or `20`.

  - `UserAgent param.Field[string]`

    Query param: A string to search for in the user agent values of existing rules.

### Returns

- `type UARuleListResponse struct{…}`

  - `ID string`

    The unique identifier of the User Agent Blocking rule.

  - `Configuration UARuleListResponseConfiguration`

    The configuration object for the current rule.

    - `Target string`

      The configuration target for this rule. You must set the target to `ua` for User Agent Blocking rules.

    - `Value string`

      The exact user agent string to match. This value will be compared to the received `User-Agent` HTTP header value.

  - `Description string`

    An informative summary of the rule.

  - `Mode UARuleListResponseMode`

    The action to apply to a matched request.

    - `const UARuleListResponseModeBlock UARuleListResponseMode = "block"`

    - `const UARuleListResponseModeChallenge UARuleListResponseMode = "challenge"`

    - `const UARuleListResponseModeJSChallenge UARuleListResponseMode = "js_challenge"`

    - `const UARuleListResponseModeManagedChallenge UARuleListResponseMode = "managed_challenge"`

  - `Paused bool`

    When true, indicates that the rule is currently paused.

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/cloudflare/cloudflare-go"
  "github.com/cloudflare/cloudflare-go/firewall"
  "github.com/cloudflare/cloudflare-go/option"
)

func main() {
  client := cloudflare.NewClient(
    option.WithAPIToken("Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY"),
  )
  page, err := client.Firewall.UARules.List(context.TODO(), firewall.UARuleListParams{
    ZoneID: cloudflare.F("023e105f4ecef8ad9ca31a8372d0c353"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", page)
}
```

#### Response

```json
{
  "errors": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "messages": [
    {
      "code": 1000,
      "message": "message",
      "documentation_url": "documentation_url",
      "source": {
        "pointer": "pointer"
      }
    }
  ],
  "result": [
    {
      "id": "372e67954025e0ba6aaa6d586b9e0b59",
      "configuration": {
        "target": "ua",
        "value": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/603.2.4 (KHTML, like Gecko) Version/10.1.1 Safari/603.2.4"
      },
      "description": "Prevent access from abusive clients identified by this User Agent to mitigate a DDoS attack",
      "mode": "js_challenge",
      "paused": false
    }
  ],
  "success": true,
  "result_info": {
    "count": 1,
    "page": 1,
    "per_page": 20,
    "total_count": 2000
  }
}
```