don't break your head, that's painful!

Try to spot the difference with the example from the synopsis (hint: menuItems):

use Prima;
use Prima::Application;
 
my $window = Prima::Window-> new(
     menuItems => [
        [ '~File' => [
           [ '~Open', 'Ctrl+O', '^O', \&open_file ],
           [ '-save_file', '~Save', km::Ctrl | ord('s'), sub { save_fi
+le() } ],
           [],
           [ '~Exit', 'Alt+X', '@X', sub { exit } ],
        ]],
        [ '~Options' => [
           [ '*option1'  => 'Checkable option' => sub { $_[0]-> menu->
+ toggle( $_[1]) }],
           [ '*@option2' => 'Checkable option' => sub {}], # same
        ]],
        [],
        [ '~Help' => [
           [ 'Show help' => sub { $::application-> open_help("file://$
+0"); }],
        ]],
     ],
 );
 
 sub open_file
 {
     # enable 'save' menu item
     $window-> menu-> save_file-> enable;
 }
 
 $window-> popupItems( $window-> menuItems);
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bw, bliako