When an Alert is triggered, run the following command.
The following replacement variables are available
<b>'
<HOSTNAME
>'
</b>,
<b>'
<ALERTID
>'
</b>,
<b>'
<MESSAGE
>'
</b>,
<b>'
<FACILITY
>'
</b>,
<b>'
<PRIORITY
>'
</b>,
<b>'
<SEVERITY
>'
</b>.
Please note that
<b>'
<HOSTNAME
>'
</b> is only available on individual thresholds.
