# Changed typedef Null safety

Changed = dynamic Function(String? value, int? privilegeLevel)

## Implementation

    typedef Changed = Function(String? value, int? privilegeLevel);

1. eliud_pkg_fundamentals
2. internal_component
3. Changed typedef

##### internal_component library

1. Classes
2. DropdownButtonComponent
3. DropdownButtonComponentFactory
4. ListComponent
5. ListComponentFactory
6. Typedefs
7. Changed
8. DropdownButtonChanged