public void setRefreshOnDay(ScheduleRefreshOnEntity refreshOnDay) {
        this.refreshOnDay = refreshOnDay;
    }
<p>
The day of the week that you want to schedule the refresh on. This value is required for weekly and monthly
refresh intervals.
</p>

@param refreshOnDay
       The day of the week that you want to schedule the refresh on. This value is required for weekly and
       monthly refresh intervals.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/RefreshFrequency.java