# AssociateDistributionWebACL


Associates the Amazon WAF web ACL with a distribution.

## Request Syntax


```
PUT /2020-05-31/distribution/Id/associate-web-acl HTTP/1.1
If-Match: IfMatch
<?xml version="1.0" encoding="UTF-8"?>
<AssociateDistributionWebACLRequest xmlns="http://cloudfront.amazonaws.com/doc/2020-05-31/">
   <WebACLArn>string</WebACLArn>
</AssociateDistributionWebACLRequest>
```

## URI Request Parameters


The request uses the following URI parameters.

 ** [Id](#API_AssociateDistributionWebACL_RequestSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-request-uri-Id"></a>
The ID of the distribution.  
Required: Yes

 ** [If-Match](#API_AssociateDistributionWebACL_RequestSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-request-IfMatch"></a>
The value of the `ETag` header that you received when retrieving the distribution that you're associating with the Amazon WAF web ACL.

## Request Body


The request accepts the following data in XML format.

 ** [AssociateDistributionWebACLRequest](#API_AssociateDistributionWebACL_RequestSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-request-AssociateDistributionWebACLRequest"></a>
Root level tag for the AssociateDistributionWebACLRequest parameters.  
Required: Yes

 ** [WebACLArn](#API_AssociateDistributionWebACL_RequestSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-request-WebACLArn"></a>
The Amazon Resource Name (ARN) of the Amazon WAF web ACL to associate.  
Type: String  
Required: Yes

## Response Syntax


```
HTTP/1.1 200
ETag: ETag
<?xml version="1.0" encoding="UTF-8"?>
<AssociateDistributionWebACLResult>
   <Id>string</Id>
   <WebACLArn>string</WebACLArn>
</AssociateDistributionWebACLResult>
```

## Response Elements


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

The response returns the following HTTP headers.

 ** [ETag](#API_AssociateDistributionWebACL_ResponseSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-response-ETag"></a>
The current version of the distribution.

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

 ** [AssociateDistributionWebACLResult](#API_AssociateDistributionWebACL_ResponseSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-response-AssociateDistributionWebACLResult"></a>
Root level tag for the AssociateDistributionWebACLResult parameters.  
Required: Yes

 ** [Id](#API_AssociateDistributionWebACL_ResponseSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-response-Id"></a>
The ID of the distribution.  
Type: String

 ** [WebACLArn](#API_AssociateDistributionWebACL_ResponseSyntax) **   <a name="cloudfront-AssociateDistributionWebACL-response-WebACLArn"></a>
The ARN of the Amazon WAF web ACL that you associated with the distribution.  
Type: String

## Errors


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

 ** AccessDenied **   
Access denied.  
HTTP Status Code: 403

 ** EntityLimitExceeded **   
The entity limit has been exceeded.  
HTTP Status Code: 400

 ** EntityNotFound **   
The entity was not found.  
HTTP Status Code: 404

 ** InvalidArgument **   
An argument is invalid.  
HTTP Status Code: 400

 ** InvalidIfMatchVersion **   
The `If-Match` version is missing or not valid.  
HTTP Status Code: 400

 ** PreconditionFailed **   
The precondition in one or more of the request fields evaluated to `false`.  
HTTP Status Code: 412

## See Also


For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/cloudfront-2020-05-31/AssociateDistributionWebACL) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/cloudfront-2020-05-31/AssociateDistributionWebACL)