code: public AuditService getAuditService() {
          if (auditService == null) {
              auditService = (AuditService) newInstance(cfg.getProperty("audit-service", "jpaoletti.jpm.core.audit.SimpleAudit"));
              auditService.setLevel(cfg.getInt("audit-level", -1));
          }
          return auditService;
      }
docs: Returns audit service