Create mat_info.json files for all materials in the library, attention, use only if you want to create a custom library to distribute for Extreme PBR
![](https://docs.extreme-addons.com/wp-content/uploads/2021/10/Create-entire-mat_info-json.jpg)
Create mat_info.json files for all materials in the library, attention, use only if you want to create a custom library to distribute for Extreme PBR