public String getCertificateArn() {
        return this.certificateArn;
    }
<p>
The Amazon Resource Name (ARN) of the certificate. This can be an Certificate Manager (ACM) certificate or an
Identity and Access Management (IAM) server certificate.
</p>

@return The Amazon Resource Name (ARN) of the certificate. This can be an Certificate Manager (ACM) certificate
        or an Identity and Access Management (IAM) server certificate.
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/CreateDomainNameRequest.java