use Data::ICal;
  use Data::ICal::Entry::Event;
  use Date::ICal;
  use strict;

  my $calendar = Data::ICal->new();

  my $vtodo = Data::ICal::Entry::Event->new();
  $vtodo->add_properties(
	summary => "some fun",
	description => "a fun thing to do",
	dtstart => Date::ICal->new ( day => 29, 
               month => 6, 
               year => 2006,
               hour => 7,
               min => 15,
               sec => 00
	    )->ical,
	 dtend => Date::ICal->new(day => 29, 
               month => 6, 
               year => 2006,
               hour => 7,
               min => 45,
               sec => 00
	    )->ical,
  );
  $calendar->add_entry($vtodo);
  print $calendar->as_string;