public StartSpeakerEnrollmentJobRequest withDomainId(String domainId) {
        setDomainId(domainId);
        return this;
    }
<p>
The identifier of the domain that contains the speaker enrollment job and in which the speakers are enrolled.
</p>

@param domainId
       The identifier of the domain that contains the speaker enrollment job and in which the speakers are
       enrolled.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-voiceid/src/main/java/com/amazonaws/services/voiceid/model/StartSpeakerEnrollmentJobRequest.java