public String getPersistence() {
        return this.persistence;
    }
<p>
Boolean that controls whether the message is persisted on the back end. Required.
</p>

@return Boolean that controls whether the message is persisted on the back end. Required.
@see ChannelMessagePersistenceType
aws-java-sdk-chime/src/main/java/com/amazonaws/services/chime/model/SendChannelMessageRequest.java