Since IKEA TRÅDFRI and Philips Hue both use ZigBee, this article shows how to use the I/O Dimmer to control lights and drivers over a Hue Bridge / Gateway.
How to Connect an IKEA TRÅDFRI DRIVER to a PHILLIPS HUE BRIDGE
How to use TRÅDFRI smart lighting - IKEA
Can the Ikea STOFTMOLN be used with a hue bridge? : r/Hue
How to Connect an IKEA TRÅDFRI Wireless Dimmer to a PHILIPS HUE BRIDGE with Touchlink Method
How to connect your Ikea Trådfri smart bulbs to Apple HomeKit
HOW YOU CAN CONNECT IKEA TRÅDFRI LIGHTS TO PHILIPS HUE SMART HUB BRIDGE, by Tapaan Chauhan
Home app - Accessories - Apple
Philips HUE - IKEA TRÅDFRI - Wireless control outlet
Can the Ikea STOFTMOLN be used with a hue bridge? : r/Hue
Here's how to add Ikea Trådfri lights to the Philips Hue Bridge hub