User Guide > Rendering and Render Setup > Shading > Shading menus > Rendering menu
set > Lighting/shading >
Lighting/shading > Assign
Favorite Material
Assigns one of the shading groups in the Assign Favorite Material sub-menu to all selected surfaces. The shaders are ordered by Maya Surface, Maya Volumetric, and mental ray materials.
This menu updates when you update your Favorites list in the Hypershade or Create Render Node window.