Unity Engine documentationScript ReferenceUnityEngineProceduralMaterialisReadableDeprecated feature, no longer availableRead time 1 minuteLast updated 14 days agoDefinition Type: Property Namespace: UnityEngine Assembly: UnityEngine.SubstanceModule WarningRemoved. Built-in support for Substance Designer materials has been removed from Unity. To continue using Substance Designer materials, you will need to install Allegorithmic's external importer from the Asset Store. public bool isReadable { get; set; }