svdl posted this earlier in this thread to help me:

Quote - OK, here we go. Let's start with something simple, a ball and a box. We're going to make the ball glow and the box will catch the glow.

1. Start a new empty scene and create a ball prop and a box prop. Put the ball on top of the box.

2. The ball will be the light emitter. Set its ambient color to something else than black, and the ambient value to 1.

3. The box will be the light receiver. Connect a Gather node to its ambient color channel, make sure that Max Distance is large enough (from each point on the box a ray should reach past the ball), set the ambient value to 1.

4. Delete all lights. Enable raytracing and render.

Hope this helps,

Steven.

I also suggest that you look for my post in this thread where I post a screenshot of my material room.  Then read the next few posts down from that.  Try doing the same thing I had done, using a ball and a box.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi