# UserPoolConfig
<a name="API_UserPoolConfig"></a>

Describes an Amazon Cognito user pool configuration.

## Contents
<a name="API_UserPoolConfig_Contents"></a>

 ** awsRegion **   <a name="appsync-Type-UserPoolConfig-awsRegion"></a>
The AWS Region in which the user pool was created.  
Type: String  
Required: Yes

 ** defaultAction **   <a name="appsync-Type-UserPoolConfig-defaultAction"></a>
The action that you want your GraphQL API to take when a request that uses Amazon Cognito user pool authentication doesn't match the Amazon Cognito user pool configuration.  
Type: String  
Valid Values: `ALLOW | DENY`   
Required: Yes

 ** userPoolId **   <a name="appsync-Type-UserPoolConfig-userPoolId"></a>
The user pool ID.  
Type: String  
Required: Yes

 ** appIdClientRegex **   <a name="appsync-Type-UserPoolConfig-appIdClientRegex"></a>
A regular expression for validating the incoming Amazon Cognito user pool app client ID. If this value isn't set, no filtering is applied.  
Type: String  
Required: No

## See Also
<a name="API_UserPoolConfig_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/appsync-2017-07-25/UserPoolConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appsync-2017-07-25/UserPoolConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appsync-2017-07-25/UserPoolConfig)