I added a gradient to the lights color yesterday but I've just found why it didn't work. I thought about rotating the gradient texture. I put UV Rotate on 90 and put the Color Offset to black then it worked. Spent 2 hours looking for this simple step. Sheesh!
![2023-11-19 (2).png 2023-11-19 (2).png](https://forums.autodesk.com/t5/image/serverpage/image-id/1294788i2AD67713CF2108F6/image-size/large?v=v2&px=999)