my %hash = (
   1 => [
      { name => "Shrek", event => "I saw shrek!" },
   ],
   6 => [
      { name => "Donkey", event => "I saw the donkey!" },
      { name => "Fiona", event => "I saw Fiona!" },
   ],
);

##</code><code>##

for my $trigger ( @{ $hash{$cnt} || [] } ) {
    # Do work here with $trigger ....
}

##</code><code>##

my @data = (
   [        # 0 (remember, we are zero-based)
      { name => "Shrek", event => "I saw shrek!" },
   ],
   undef,   # 1
   undef,   # 2
   undef,   # 3
   undef,   # 4
   [        # 5 - zero-based => 6th element
      { name => "Donkey", event => "I saw the donkey!" },
      { name => "Fiona", event => "I saw Fiona!" },
   ],
);

##</code><code>##

for my $trigger ( @{ $data[$cnt-1] || [] } ) {
    # Do work here with $trigger ....
}