# ListResourcesForWebACL


**Note**  
 AWS WAF Classic support will end on September 30, 2025.   
This is ** AWS WAF Classic** documentation. For more information, see [AWS WAF Classic](https://docs.aws.amazon.com/waf/latest/developerguide/classic-waf-chapter.html) in the developer guide.  
 **For the latest version of AWS WAF **, use the AWS WAFV2 API and see the [AWS WAF Developer Guide](https://docs.aws.amazon.com/waf/latest/developerguide/waf-chapter.html). With the latest version, AWS WAF has a single set of endpoints for regional and global use. 

Returns an array of resources associated with the specified web ACL.

## Request Syntax


```
{
   "ResourceType": "string",
   "WebACLId": "string"
}
```

## Request Parameters


For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [ResourceType](#API_wafRegional_ListResourcesForWebACL_RequestSyntax) **   <a name="WAF-wafRegional_ListResourcesForWebACL-request-ResourceType"></a>
The type of resource to list.  
Type: String  
Valid Values: `APPLICATION_LOAD_BALANCER | API_GATEWAY`   
Required: No

 ** [WebACLId](#API_wafRegional_ListResourcesForWebACL_RequestSyntax) **   <a name="WAF-wafRegional_ListResourcesForWebACL-request-WebACLId"></a>
The unique identifier (ID) of the web ACL for which to list the associated resources.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `.*\S.*`   
Required: Yes

## Response Syntax


```
{
   "ResourceArns": [ "string" ]
}
```

## Response Elements


If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

 ** [ResourceArns](#API_wafRegional_ListResourcesForWebACL_ResponseSyntax) **   <a name="WAF-wafRegional_ListResourcesForWebACL-response-ResourceArns"></a>
An array of ARNs (Amazon Resource Names) of the resources associated with the specified web ACL. An array with zero elements is returned if there are no resources associated with the web ACL.  
Type: Array of strings  
Length Constraints: Minimum length of 1. Maximum length of 1224.  
Pattern: `.*\S.*` 

## Errors


For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** WAFInternalErrorException **   
The operation failed because of a system problem, even though the request was valid. Retry your request.  
HTTP Status Code: 500

 ** WAFInvalidAccountException **   
The operation failed because you tried to create, update, or delete an object by using an invalid account identifier.  
HTTP Status Code: 400

 ** WAFInvalidParameterException **   
The operation failed because AWS WAF didn't recognize a parameter in the request. For example:  
+ You specified an invalid parameter name.
+ You specified an invalid value.
+ You tried to update an object (`ByteMatchSet`, `IPSet`, `Rule`, or `WebACL`) using an action other than `INSERT` or `DELETE`.
+ You tried to create a `WebACL` with a `DefaultAction` `Type` other than `ALLOW`, `BLOCK`, or `COUNT`.
+ You tried to create a `RateBasedRule` with a `RateKey` value other than `IP`.
+ You tried to update a `WebACL` with a `WafAction` `Type` other than `ALLOW`, `BLOCK`, or `COUNT`.
+ You tried to update a `ByteMatchSet` with a `FieldToMatch` `Type` other than HEADER, METHOD, QUERY\$1STRING, URI, or BODY.
+ You tried to update a `ByteMatchSet` with a `Field` of `HEADER` but no value for `Data`.
+ Your request references an ARN that is malformed, or corresponds to a resource with which a web ACL cannot be associated.
HTTP Status Code: 400

 ** WAFNonexistentItemException **   
The operation failed because the referenced object doesn't exist.  
HTTP Status Code: 400

## See Also


For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/waf-regional-2016-11-28/ListResourcesForWebACL) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/waf-regional-2016-11-28/ListResourcesForWebACL)