<p><strong>Service</strong><strong> - hostgroup name<br> </strong></p>
<p>This directive is used to specify the <em>short name(s)</em> of the hostgroup(s) that the service "runs" on or is associated with. The hostgroup_name may be used instead of, or in addition to, the host_name directive.</p>
<p><em>Parameter name:</em> hostgroup_name<br> <em>Required:</em> no (yes, if no host is defined)</p>