my @loop_data=();
$loop_data=[
    {Auction=>'Test1', ID=>'1'},
    {Auction=>'Test2', ID=>'2'},
    {Auction=>'Test3', ID=>'3'},
    {Auction=>'Test4', ID=>'4'},
];
$template->param(table1 => \@loop_data);

##</code><code>##

my @loop_data=();
my %rowdat;
$rowdat{Auction}='Test1';
$rowdat{ID}='1';
push(@loop_data, \%rowdat);
$template->param(table1 => \@loop_data);