The Insteon TriggerLinc is a great device for sending basic open/close information to your Insteon system. It’s not as discrete as the hidden door sensor, but it gets the job done. And, it doesn’t have to be used for just doors or windows.
Behold, the latest in home automation technology:
… and the associated code for your ISY-994i:
If Status 'ToiletLid' is On Then Run Program 'AlertEVERYONE' (Then Path) Else - No Actions
If Status 'ToiletLid' is Off Then Stop Program 'AlertEVERYONE' Else - No Actions
If - No Conditions Then Wait 60 Seconds Send Notification to 'TextMessage' content 'HolySweetBabyJesusHeDidntPutTheSeatDownAgain' Else - No Actions