# deleteItem method Null safety

1. @override

BookletModel deleteItem(

1. BookletModel model,
2. SectionModel deleteItem

)
override

## Implementation

    @override
    BookletModel deleteItem(BookletModel model, SectionModel deleteItem) {
      var newItems = <SectionModel>[];
      for (var item in model.sections!) {
        if (item != deleteItem) {
          newItems.add(item);
        }
      }
      var newModel = model.copyWith(sections: newItems);
      return newModel;
    }