iOS Dividing UITableView into sections by Core Data Attribute

- (void)setupFetchedResultsController
{
    // 1 - Decide what Entity you want
    NSString *dbEntityName = @"Item"; // Put your entity name here
    
    // 2 - Request that Entity
    NSFetchRequest *request = [NSFetchRequest fetchRequestWithEntityName:dbEntityName];
    
    // 3 - Filter it if you want
    //request.predicate = [NSPredicate predicateWithFormat:@"Item.name = what"];
    
    // 4 - Sort it if you want
    request.sortDescriptors = [NSArray arrayWithObject:[NSSortDescriptor sortDescriptorWithKey:@"name"
                                                                                     ascending:YES
                                                                                      selector:@selector(localizedCaseInsensitiveCompare:)]];
    // 5 - Fetch it
    self.fetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:request
                                                                        managedObjectContext:self.managedObjectContext
                                                                          sectionNameKeyPath:nil
                                                                                   cacheName:nil];
    [self performFetch];
}