Version: 2018.2

AssetPostprocessor.OnAssignMaterialModel(Material,Renderer)

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Description

Подает исходный материал.

The returned material will be assigned to the renderer. If you return null, Unity will use its default material finding / generation method to assign a material. The sourceMaterial is generated directly from the model before importing and will be destroyed immediately after OnAssignMaterial.

no example available in C#