The spread of a second specular highlight, similar to the gloss that results from a clear coat on an automotive finish.
UIKit for Mac 13.0+Beta
Model I/O uses this semantic for the clearCoatGloss and map_clearCoatGloss attributes when importing from the MTL file format (for assets in the OBJ file format).
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.