virtual void CustomizeChildren ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) > PropertyHandle, [IDetailChildrenBuilder](API\Editor\PropertyEditor\IDetailChildrenBuilder) & ChildBuilder, [IPropertyTypeCustomizationUtils](API\Editor\PropertyEditor\IPropertyTypeCustomizationUtils) & CustomizationUtils )