script --name=foo --ver=1 --auth=bar --test=300

gistfile1.txt

$ script --name=foo --ver=1 --auth=bar --test=300
Required named parameter 'name' not passed
  in sub MAIN at /home/nickl/.rakudobrew/bin/../moar-2016.06/install/share/perl6/site/bin/script line 10
  in block <unit> at /home/nickl/.rakudobrew/bin/../moar-2016.06/install/share/perl6/site/bin/script line 2

script.pl6

sub MAIN(:$name, :$auth, :$ver, :$test, *@, *%) {
    say "name: $name";
    say "auth: $auth";
    say "ver: $ver";
    say "test: $test";
}