Another option to use the home control button found on some Harmony remotes is to connect Hubitat (HE) to Home Assistant (HA), and then expose the HE lights you'd like to "Emulated Hue" in HA. Finally ...

In the new browser tab you will see the json returned by the Hubitat hub. This json includes data for all the devices attached to your hub. Find the entry for the switch you just added and copy down ...