# DocumentChanged typedef Null safety

DocumentChanged = dynamic Function(DocumentModel? value)

## Implementation

    typedef DocumentChanged = Function(DocumentModel? value);

1. eliud_pkg_fundamentals
2. document_repository
3. DocumentChanged typedef

##### document_repository library

1. Classes
2. DocumentRepository
3. Typedefs
4. DocumentChanged
5. DocumentErrorHandler
6. DocumentModelTrigger