EEM Cisco Embedded Event Manager

Embedded Event Manager (EEM) is a technology on Cisco Routers that lets you run scripts or commands when a certain event takes place. As Cisco states it:

Cisco IOS Embedded Event Manager (EEM) is a powerful and flexible subsystem that provides real-time network event detection and onboard automation.

Links:

https://networklessons.com/cisco/ccie-routing-switching/cisco-ios-embedded-event-manager/

https://www.cisco.com/c/en/us/products/ios-nx-os-software/ios-embedded-event-manager-eem/index.html