According to the documentation:
Is there a way to implement a true discovery for hosts / services never seen before and get notified only in such case?
| Service Discovered | The service is 'up' after it was 'down' or when discovered for the first time. |
| Host Discovered | At least one service of a host is 'up' after all services of that host were 'down'. |
Is there a way to implement a true discovery for hosts / services never seen before and get notified only in such case?