my $set1 = { 
    'setting1' => $setting1, 
    'type' => 'Broad', 
    'text' => $text,
    'url' => $url,
};

my $set2 = { 
    'setting1' => $setting1, 
    'type' => 'Broad', 
    'text' => $text,
    'url' => $url,
};

my @setargs = [ $set1, $set2 ];

##</code><code>##

foreach my $set (whatever loop) {
    push @setargs, $set;
}