public void onPostUpdate(PostUpdateEvent event) {
String entityName = event.getPersister().getEntityName();
if (verCfg.getEntCfg().isVersioned(entityName)) {
AuditProcess auditProcess = verCfg.getSyncManager().get(event.getSession());
AuditWorkUnit workUnit = new ModWorkUnit(event.getSession(), event.getPersister().getEntityName(), verCfg,
event.getId(), event.getPersister(), event.getState(), event.getOldState());
auditProcess.addWorkUnit(workUnit);
if (workUnit.containsWork()) {
generateBidirectionalCollectionChangeWorkUnits(auditProcess, event.getPersister(), entityName, event.getState(),
event.getOldState(), event.getSession());
}