public void setSimple(Message simple) {
        this.simple = simple;
    }
<p>
The simple email message. The message consists of a subject and a message body.
</p>

@param simple
       The simple email message. The message consists of a subject and a message body.
aws-java-sdk-pinpointemail/src/main/java/com/amazonaws/services/pinpointemail/model/EmailContent.java