"- add extra vray attributes to a samplerInfo node (this will expose additional outputs to the samplerInfo)
- connect the samplerInfo.vrayRndomByID to a ramp's vCoord (if you're using a vRamp) OR uCoord (for a uRamp) | or both, if you intend to switch between ramp modes
--> the ramp's position and color values will be the range of colors to be distributed to the objects
--> plug the ramp into a shader and use the same shader on lots of objects"
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