# PresentationChanged typedef Null safety

PresentationChanged = dynamic Function(PresentationModel? value)

## Implementation

    typedef PresentationChanged = Function(PresentationModel? value);

1. eliud_pkg_fundamentals
2. presentation_repository
3. PresentationChanged typedef

##### presentation_repository library

1. Classes
2. PresentationRepository
3. Typedefs
4. PresentationChanged
5. PresentationErrorHandler
6. PresentationModelTrigger