# CustomAccountPoolHandler
<a name="API_CustomAccountPoolHandler"></a>

The custom AWS Lambda handler within an account pool.

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

 ** lambdaFunctionArn **   <a name="datazone-Type-CustomAccountPoolHandler-lambdaFunctionArn"></a>
The ARN of the AWS Lambda function for the custom AWS Lambda handler.  
Type: String  
Pattern: `arn:(?:aws|aws-cn|aws-us-gov):lambda:(?:[a-z]{2}(?:-gov)?-[a-z]+-\d{1,}):(\d{12}):function:[a-zA-Z0-9-_]+(?::[a-zA-Z0-9-_]+)?(?:\$[\w-]+)?`   
Required: Yes

 ** lambdaExecutionRoleArn **   <a name="datazone-Type-CustomAccountPoolHandler-lambdaExecutionRoleArn"></a>
The ARN of the IAM role that enables Amazon SageMaker Unified Studio to invoke the AWS Lambda funtion if the account source is the custom account pool handler.  
Type: String  
Pattern: `arn:aws[^:]*:iam::\d{12}:(role|role/service-role)/[\w+=,.@-]*`   
Required: No

## See Also
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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/datazone-2018-05-10/CustomAccountPoolHandler) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/datazone-2018-05-10/CustomAccountPoolHandler) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/datazone-2018-05-10/CustomAccountPoolHandler)