public String getUserPoolDomain() {
        return this.userPoolDomain;
    }
<p>
The domain prefix or fully-qualified domain name of the Amazon Cognito user pool.
</p>

@return The domain prefix or fully-qualified domain name of the Amazon Cognito user pool.
aws-java-sdk-elasticloadbalancingv2/src/main/java/com/amazonaws/services/elasticloadbalancingv2/model/AuthenticateCognitoActionConfig.java