# config system link-monitor

 (link-monitor) # show
config system link-monitor
edit "1"
set srcintf "wan1"
set server "8.8.8.8"
next
end

Diagnose Issues

diagnose sys link-monitor status

Email Montior

https://community.fortinet.com/t5/FortiGate/Technical-Tip-How-to-configure-an-automation-stitch-to-get-an/ta-p/194017