values for %o{param}

[Jeff Weisberg]

| [...] Someone
| else may be able to answer better than me but you could do:
|
| > Host "myhost" {
| >               hostname: 192.168.0.1
| >               Service Ping
| 		  messagedn:  myhost (192.168.0.1) down
| 		  messageup:  myhost (192.168.0.1) up
| >       }


almost.
the messageup + messagedn would need to be placed before
the Service Ping.