.app.date.day configure -values {1 2 3 ... 28}
    

##</code><code>##

   Tkx::.app.date.day_configure(-values => [1..28]);
   

##</code><code>##

   &{"Tkx::.app.date.day_configure"}(-values => [1..28]);
   

##</code><code>##

   my $day = $date->new_ttk__combox(
       -values => \@days,
       -textvariable => \$d,
   );
   Tkx::grid($day, ....);

   @days = (1 .. 28);
   $day->configure(-values => \@days);