## Create filters

`client.filters.create(FilterCreateParamsparams, RequestOptionsoptions?): SinglePage<FirewallFilter>`

**post** `/zones/{zone_id}/filters`

Creates one or more filters.

### Parameters

- `params: FilterCreateParams`

  - `zone_id: string`

    Path param: Defines an identifier.

  - `body: Array<FirewallFilter>`

    Body param

    - `id?: string`

      The unique identifier of the filter.

    - `description?: string`

      An informative summary of the filter.

    - `expression?: string`

      The filter expression. For more information, refer to [Expressions](https://developers.cloudflare.com/ruleset-engine/rules-language/expressions/).

    - `paused?: boolean`

      When true, indicates that the filter is currently paused.

    - `ref?: string`

      A short reference tag. Allows you to select related filters.

### Returns

- `FirewallFilter`

  - `id?: string`

    The unique identifier of the filter.

  - `description?: string`

    An informative summary of the filter.

  - `expression?: string`

    The filter expression. For more information, refer to [Expressions](https://developers.cloudflare.com/ruleset-engine/rules-language/expressions/).

  - `paused?: boolean`

    When true, indicates that the filter is currently paused.

  - `ref?: string`

    A short reference tag. Allows you to select related filters.

### Example

```node
import Cloudflare from 'cloudflare';

const client = new Cloudflare({
  apiToken: process.env['CLOUDFLARE_API_TOKEN'], // This is the default and can be omitted
});

// Automatically fetches more pages as needed.
for await (const firewallFilter of client.filters.create({
  zone_id: '023e105f4ecef8ad9ca31a8372d0c353',
  body: [{}],
})) {
  console.log(firewallFilter.id);
}
```

#### 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": "372e67954025e0ba6aaa6d586b9e0b61",
      "description": "Restrict access from these browsers on this address range.",
      "expression": "(http.request.uri.path ~ \".*wp-login.php\" or http.request.uri.path ~ \".*xmlrpc.php\") and ip.addr ne 172.16.22.155",
      "paused": false,
      "ref": "FIL-100"
    }
  ],
  "success": true,
  "result_info": {
    "count": 1,
    "page": 1,
    "per_page": 20,
    "total_count": 2000
  }
}
```