Welcome! My preferred idiom or pattern looks like this, 
package Widget;

use strict;
use warnings;

# generic constructor, allows for any keys to be passed like,
# my $widget = Widget->new(field1 => "value 1", field2 => "value 2", e
+tc => "etc...");
sub new {
    my ($pkg, %self) = @_;

    # can validate parameters here... (I like Validate::Tiny)

    # technically it's a "package", also the 2nd argument to
    # bless is a string, literally just the "package" name ('Widget')
    return bless \%self, $pkg;
}

1; #<-- note

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I highly recommend looking at the following:

My standard advice is to stay away from any OO perl systems that promise the m00n until you understand how Perl makes all this happen. Conway's, Object Orient Perl is a must peruse.

In reply to Re: questions about bless's second argument by perlfan
in thread questions about bless's second argument by Special_K

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