How can add monitor script for linux on vrops

Dear all

Hi

i have installed endpoint operation agent on my linux server and now that server can be monitor in vrops in operation system world i want use add monitor script but 2 problem:

1- how can i  check a service on my linux server is up or down for example i want check iptables is up or down how do i have to write that?? In redhat i write service iptables status in linux script how do i have to write??

2- what does path means in add monitor script??

now