Gateway Failover Notifications

[cmb991]

Hi all.  I just switched over from pfSense (finally).  I have a gateway group setup with my backup ISP as tier 2.  I want to setup email notifications (I'm guessing using Monit?) so when it fails from my primary gateway to the backup, and vise versa.  I can't find much documentation on this, any help would be appreciated.

[cmb991]

Just wanted to see if anyone had any ideas on this.  I see Monits but the documentation I'm seeing doesn't show any support for interfaces unless I'm reading outdated stuff.