Page History

...

By default, the plgparams.exe can be found in C:\Program Files\Chaos Group\V-Ray\3ds Max NNNNMax 20xx\bin\ where NNNN is your 3ds Max version number, such as 2018.

for V-Ray for 3ds Max 2021 and earlier, or in C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax 20xx\bin  for V-Ray for 3ds Max 2022 and later.

With the command prompt, navigate to the C:\Program Files\Chaos Group\V-Ray\3ds Max NNNN\bin\ folder and run plgparams.exe without arguments to see a help message on the tool's usage. In general, you will need to run a series of commands to point plgparams to the plugin folder, locate the V-Ray name of the node (which might differ from its display name in the V-Ray UI), and list the parameters for the plugin.

...

This command tells plgparams where to find your plugins. By default, the default plugins folder location is is:

C:\Program Files\Chaos Group\V-Ray\3ds Max 20xx\3ds Max NNNNbin\plugins for V-Ray for 3ds Max 2021 and earlier, or

C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax20xx\bin\plugins for V-ray for 3ds Max 2022 or later.

## Example for 3ds Max 2021 and earlier
"C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plgparams.exe" -plugindir "C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plugins"
 
## Example for 3ds Max 2022 and later
"C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax2023\bin\plgparams.exe" -plugindir "C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax20xx\bin\plugins"

To see the list of plugin names in this folder, use the following command:

## Usage
plgparams -plugindir <plugin folder> -list
 
## Example for 3ds Max 2021 and earlier
"C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plgparams.exe" -plugindir "C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plugins" -list
 
## Example foe 3ds Max 2022 and later
"C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax2023\bin\plgparams.exe" -plugindir "C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax20xx\bin\plugins" -lilst

Note that the plugin folder must be specified with the -plugindir switch each time you run the command.

...

## Usage
plgparams -plugindir <plugin folder> <plugin name>
 
## Example for 3ds Max 2021 and earlier
"C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plgparams.exe" -plugindir "C:\Program Files\Chaos Group\V-Ray\3ds Max 2018\bin\plugins" BRDFGlass
 
## Example foe 3ds Max 2022 and later
"C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax2023\bin\plgparams.exe" -plugindir "C:\ProgramData\Autodesk\ApplicationPlugins\VRay3dsMax20xx\bin\plugins" BRDFGlass

This will list all the parameters for the plugin, and definitions for each.

...