public void setLastModified(java.util.Date lastModified) {
        this.lastModified = lastModified;
    }
<p>
Date lexicon was last modified (a timestamp value).
</p>

@param lastModified
       Date lexicon was last modified (a timestamp value).
aws-java-sdk-polly/src/main/java/com/amazonaws/services/polly/model/LexiconAttributes.java