print { $self->{_fh} }
    $self->{_separator}, $status, $self->{_separator}, $message, "\n";

##</code><code>##

# following the example of how you did seperator:
$self->{_fh} = $args->{fh};

##</code><code>##

open my $logger_fh, ">/tmp/log.log" or die...;
my $logger = LoggerClass->new({ fh => $fh });