<p><strong>Host - contact groups<br></strong></p>
<p>This is a list of the <em>short names</em> of the contact groups that should be notified whenever there are problems (or recoveries) with this host. Multiple contact groups should be separated by commas. You must specify at least one contact or contact group in each host definition.</p>
<p><em>Parameter name:</em> contact_groups<br><em>Required:</em> yes (at least one contact <strong>or</strong> contact group)</p>