You need to set material domain to Surface, Blend Mode Opaque and Shading Model to Unlit. Light Functions are used for lights(you can find more info in the documentation) so it is something completely different than what you need.
You need to set material domain to Surface, Blend Mode Opaque and Shading Model to Unlit. Light Functions are used for lights(you can find more info in the documentation) so it is something completely different than what you need.