static [UMaterialExpression](API\Runtime\Engine\Materials\UMaterialExpression) * AddCompExpression ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDatasmithCompositeTexture](API\Runtime\DatasmithCore\IDatasmithCompositeTexture) > & Comp, [UObject](API\Runtime\CoreUObject\UObject\UObject) * UnrealMaterial, [EDatasmithTextureSlot](API\Plugins\DatasmithImporter\EDatasmithTextureSlot) Slot, const [FDatasmithAssetsImportContext](API\Plugins\DatasmithImporter\FDatasmithAssetsImportContext) & AssetsContext )