If outside light falls below 4.50, then Turn on Front of House to

Connect

Links with Ambient weather to act as a light sensor for your Philips hue lights

This trigger fires when a given parameter falls below a certain threshold.

This Action will turn on your hue lights.

This Action well set a scene on your hue lights. NOTE: in order to add lights to a room, you must be using the newest version of the Hue app