Образец проектного файла:
%libs
%window0
%button0
%lastcom
%end
VALUES
%libs="use utf8;use Tk;"
%window0="MainWindow->new(-title=>'%twindow0'); $window0->geometry('%gwindow0');"
%twindow0="window0"
%gwindow0="300x300"
%button0="$window0->button(-text=>'%tbutton0', -command=>sub{%cbutton0})->pack(-side=>'%sbutton0');"
%tbutton0="button0"
%sbutton0="top"
%cbutton0="exit(0);"
%lastcom="print 'Test...test';"
%end="MainLoop;"