How to sort Core Data fetched properties

Question

The Core Data Documentation states that:

The fetch request associated with the [fetched] property can have a sort ordering, and thus the fetched prope

Answer 1

Using Tim Shadel's great answer I added per-NSManagedObject subclass sorting...

...in Tier.m (which is a NSManagedObject subclass)...

+ (void)initialize
{
    if(self == [Tier class])
    {
        NSFetchedPropertyDescription *displayLessonPropertyDescription = [[[Tier entityDescription] propertiesByName] objectForKey:@"displayLesson"];
        NSFetchRequest *fetchRequest = [displayLessonPropertyDescription fetchRequest];

        NSSortDescriptor *sortByName = [[NSSortDescriptor alloc] initWithKey:@"displayOrder" ascending:YES];
       [fetchRequest setSortDescriptors:[NSArray arrayWithObject:sortByName]];
        [sortByName release];
    }
}