# $artfList - a hash reference

my $array = $artfList->{dataRows};

for my $row_object (@$array) {
	my $id = $row_object->getId;
	my $category = $row_object->getCategory;
	print "ID: $id, Category: $category\n"; 
}

##</code><code>##

my @ids;
for my $row_object (@$array) {
	push( @ids, $row_object->getId );
}

##</code><code>##

my @ids = map { $_->getId } @{ $artfList->{dataRows} };