# copyWith method Null safety

BookletEntity copyWith(

1. {String? documentID,
2. String? appId,
3. String? description,
4. List<SectionEntity>? sections,
5. StorageConditionsEntity? conditions}

)

## Implementation

    BookletEntity copyWith({
      String? documentID,
      String? appId,
      String? description,
      List<SectionEntity>? sections,
      StorageConditionsEntity? conditions,
    }) {
      return BookletEntity(
        appId: appId ?? this.appId,
        description: description ?? this.description,
        sections: sections ?? this.sections,
        conditions: conditions ?? this.conditions,
      );
    }