This page provides information on support for the Universal Scene Description in V-Ray for Maya.
Overview
USD or Universal Scene Description (.usd) is a framework and file format , developed by Pixar, that allows 3D scenes and assets to be transferred and edited on multiple applications. USD focuses on workflows that allow multiple users to collaborate on a project without conflict by using non-destructive editing, asset versions and variations.
For more information, visit Getting Started with USD.