public void setSchedule(String schedule) {
        this.schedule = schedule;
    }
<p>
A <code>cron</code> expression used to specify the schedule (see <a
href="https://docs.aws.amazon.com/glue/latest/dg/monitor-data-warehouse-schedule.html">Time-Based Schedules for
Jobs and Crawlers</a>. For example, to run something every day at 12:15 UTC, you would specify:
<code>cron(15 12 * * ? *)</code>.
</p>

@param schedule
       A <code>cron</code> expression used to specify the schedule (see <a
       href="https://docs.aws.amazon.com/glue/latest/dg/monitor-data-warehouse-schedule.html">Time-Based
       Schedules for Jobs and Crawlers</a>. For example, to run something every day at 12:15 UTC, you would
       specify: <code>cron(15 12 * * ? *)</code>.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/TriggerUpdate.java