From the Autodesk App Store:
Chameleon helps you create view filters by simply selecting a category to filter and an associated parameter.
All the values of the parameter will be used to create the view filters and a legend image file will be created.
About This Version
Version 1.0.0, 12/17/2018 – First Release
Chameleon is brought to you by weArk. It’s free.
This add-in is compatible with Revit 2019 and 2018.
There’s more information available on the Autodesk App Store.