using jmix, all screens in default process,
How can I access this information from within a browse screen.

using jmix, all screens in default process,
How can I access this information from within a browse screen.

Inject your CollectionPropertyContainer in screen controller and get property:
@Autowired
private CollectionPropertyContainer<TabItem> TabItemDc;
....
....
String propertyName = TabItemDc.getProperty();