public String getValidationMethod() {
        return this.validationMethod;
    }
<p>
The method you want to use if you are requesting a public certificate to validate that you own or control domain.
You can <a href="https://docs.aws.amazon.com/acm/latest/userguide/gs-acm-validate-dns.html">validate with DNS</a>
or <a href="https://docs.aws.amazon.com/acm/latest/userguide/gs-acm-validate-email.html">validate with email</a>.
We recommend that you use DNS validation.
</p>

@return The method you want to use if you are requesting a public certificate to validate that you own or control
        domain. You can <a
        href="https://docs.aws.amazon.com/acm/latest/userguide/gs-acm-validate-dns.html">validate with DNS</a> or
        <a href="https://docs.aws.amazon.com/acm/latest/userguide/gs-acm-validate-email.html">validate with
        email</a>. We recommend that you use DNS validation.
@see ValidationMethod
aws-java-sdk-acm/src/main/java/com/amazonaws/services/certificatemanager/model/RequestCertificateRequest.java