$template->param( 
  STATE_LOOP => [
     { state => 'Alaska',
       NAME_LOOP => [
         { name =>'Judy Jetson'},
         { name =>'Barney Rubble' },
       ],
     },
     { state => 'TEXAS',
       NAME_LOOP => [
         { name =>'Joe Bloe'},
         { name =>'Jane Doe' },
       ],
     },
  ],
 );