typedef TBaseDelegate_OneParam< [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FMaterialXBase](API\Plugins\InterchangeImport\MaterialX\MaterialXUtils\FMaterialXBase) >, [UInterchangeBaseNodeContainer](API\Runtime\InterchangeCore\Nodes\UInterchangeBaseNodeContainer) & > FOnGetMaterialXInstance