public void setEmailSubject(String emailSubject) {
        this.emailSubject = emailSubject;
    }
<p>
The contents of the subject line of the email message.
</p>

@param emailSubject
       The contents of the subject line of the email message.
aws-java-sdk-amplifybackend/src/main/java/com/amazonaws/services/amplifybackend/model/EmailSettings.java