public String getScheduleExpression() {
        return this.scheduleExpression;
    }
<p>
A CRON expression in UTC specifying when Backup initiates a backup job.
</p>

@return A CRON expression in UTC specifying when Backup initiates a backup job.
aws-java-sdk-backup/src/main/java/com/amazonaws/services/backup/model/BackupRuleInput.java