g = newScript()
pp = getpropnames renderers.current
ppc = for i in pp collect (try(classof (getproperty renderers.current i))catch("--FAILED"))      
for i in 1 to pp.count do(
     if ppc[i] == String then
           try(format "[%,\"%\"] -- %\n" pp[i] (getproperty renderers.current pp[i]) ppc[i] to:g)catch()
     else
           try(format "[%,%] -- %\n" pp[i] (getproperty renderers.current pp[i]) ppc[i] to:g)catch()
)

Thanks to Grant from RPManager for writing and sharing this script.

List current render properties and output into a new maxscript window

Maxscript