NSDictionary, NSMutableArray ascending order

  NSMutableArray *contacts;

  NSMutableArray *contactsDisplayobject;

BEFORE OUTPUT:

contacts: (

              {

        Email = "";

        fName = Hank;

        lName = Zakroff;

        numberVal = 7075551854;

    },

        {

        Email = "";

        fName = Cheesy;

        lName = Cat;

        numberVal = 2015552398;

    },

        {

        Email = "";

        fName = Freckles;

        lName = Dog;

        numberVal = 3331560987;

    }

)

NSSortDescriptor *NameSortDescriptor = [NSSortDescriptor sortDescriptorWithKey:fname ascending:YES];  // Sort by name

contactsDisplayobject = [[NSMutableArray alloc] initWithArray:[contacts sortedArrayUsingDescriptors:@[NameSortDescriptor]]];

AFTER OUTPUT:

contactsDisplayobject: (

        {

        Email = "";

        fName = Cheesy;

        lName = Cat;

        numberVal = 2015552398;

    },

        {

        Email = "";

        fName = Freckles;

        lName = Dog;

        numberVal = 3331560987;

    },

       {

        Email = "";

        fName = Hank;

        lName = Zakroff;

        numberVal = 7075551854;

    }

)