Wohnzimmer lampen aus

If

Notification received from a specific app

This trigger fires every time a new notification is received on your Android device from an app that you specify. NOTE: will not fire for IFTTT app notifications.

Then

Turn lights off

This action will turn your lights off.

And

Turn 3-Channel Plug on or off

This action will turn your eWeLink Support 3-Channel Plug on or off.