public String getScheduleExpression() {
        return this.scheduleExpression;
    }
<p>
A cron expression when the association will be applied to the targets.
</p>

@return A cron expression when the association will be applied to the targets.
aws-java-sdk-ssm/src/main/java/com/amazonaws/services/simplesystemsmanagement/model/CreateAssociationRequest.java