public void setUserPoolArn(String userPoolArn) {
        this.userPoolArn = userPoolArn;
    }
<p>
The Amazon Resource Name (ARN) of the Amazon Cognito user pool.
</p>

@param userPoolArn
       The Amazon Resource Name (ARN) of the Amazon Cognito user pool.
aws-java-sdk-elasticloadbalancingv2/src/main/java/com/amazonaws/services/elasticloadbalancingv2/model/AuthenticateCognitoActionConfig.java