$self = {
   fname => "Hot",
   lname => "Pastrami",
   properties => {
      favoriteColors => [ "muave", "periwinkle" ],
      condiments => [ "mustard", "saurkraut" ],
   },
};

##</code><code>##

my $user = User->new();
$user->{properties}{favoriteColors}[2] = "sepia";