carp "xyz";
return;

##</code><code>##

return $self->log_error("xyz");

##</code><code>##

sub log_error {
  carp $_[1];
  return;
}

##</code><code>##

use Subclass::Of "WebService::Discord::Webhook",
  -as => "MyWebhook",
  -methods => [
    error_log => sub {
      my ($self, $message) = @_;
      # alternative error handling here
    },
  ];

...;

my $webhook = MyWebhook->new(...);