Help with .. "is schedule down" notice.

Recently a user created an SDT on a resource to intentionally do some maintenance on it.

LogicMonitor emailed us an alert that the resource:

The host <hostname> (<ip address>) is scheduled down from 2025-03-18 14:08:00 MDT to 2025-03-18 16:00:00 MDT by <our user>.

Can anyone point me to the purpose of this alert and the area of configuration in LogicMonitor where we might understand this more?

Our support staff received this but really didn't have any action to take and we're not sure why we got it.

Thanks!