public String getDomain() {
        return this.domain;
    }
<p>
The name of the DNS domain that issued the API call.
</p>
<p>
Length Constraints: 128.
</p>

@return The name of the DNS domain that issued the API call.</p>
        <p>
        Length Constraints: 128.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsApiCallActionDomainDetails.java