External Commands Reference - ENABLE_SERVICEGROUP_HOST_NOTIFICATIONS
ENABLE_SERVICEGROUP_HOST_NOTIFICATIONS;servicegroup_name
Enables notifications for all hosts that have services that are members of a particular servicegroup. In order for notifications to be sent out for these hosts, notifications must also be enabled on a program-wide basis.
#!/bin/sh
# This is a sample shell script showing how you can submit the ENABLE_SERVICEGROUP_HOST_NOTIFICATIONS command
# to Naemon. Adjust variables to fit your environment as necessary.
printf "[%lu] ENABLE_SERVICEGROUP_HOST_NOTIFICATIONS;servicegroup1\n" `date +%s` > /var/lib/naemon/naemon.cmd