public void setCustomDomainName(String customDomainName) {
        this.customDomainName = customDomainName;
    }
<p>
The custom domain name for a changed custom domain association.
</p>

@param customDomainName
       The custom domain name for a changed custom domain association.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/ModifyCustomDomainAssociationRequest.java