VRay Light Lister Button in 3DS Max

If you use the VRay renderer with 3DS Max you should use the VRay Light Lister, it's a handy way of controlling your VRay lights from one dialog - it looks like this

It should be under the Tools menu below the standard Light Lister, but if not it's quite easy to add it as a button to a Toolbar:
1. From the top menu select Customize, then 'Customize User Interface'
2. Select the tab 'Toolbars'
3. In the Action list scroll down to VRayLightLister
4. Select and drag VRayLightLister onto an existing toolbar

Below, I've dragged the VRayLightLister button onto an existing toolbar

Easy