<p><strong>Contact - </strong><strong>host notification options</strong></p>
<p>This directive is used to define the host states for which notifications can be sent out to this contact. Valid options are a combination of one or more of the following: <br><strong>d</strong> = notify on DOWN host states, <strong><br>u</strong> = notify on UNREACHABLE host states, <strong><br>r</strong> = notify on host recoveries (UP states), <strong><br>f</strong> = notify when the host starts and stops flapping, and <br><strong>s</strong> = send notifications when host or service scheduled downtime starts and ends.<br>If you specify <strong>n</strong> (none) as an option, the contact will not receive any type of host notifications.</p>
<p><em>Parameter name:</em> host_notification_options<br> <em>Required:</em> yes</p>