public void setRecurrence(String recurrence) {
        this.recurrence = recurrence;
    }
<p>
The recurring schedule for the action, in Unix cron syntax format.
</p>
<p>
When <code>StartTime</code> and <code>EndTime</code> are specified with <code>Recurrence</code>, they form the
boundaries of when the recurring action starts and stops.
</p>

@param recurrence
       The recurring schedule for the action, in Unix cron syntax format.</p>
       <p>
       When <code>StartTime</code> and <code>EndTime</code> are specified with <code>Recurrence</code>, they form
       the boundaries of when the recurring action starts and stops.
aws-java-sdk-autoscaling/src/main/java/com/amazonaws/services/autoscaling/model/ScheduledUpdateGroupAction.java