how to read parameter value from hash

[arushee]

I am passing parameter like as follows in my zzxxaaaaaaa.pl

$Request = XYZ::Request::Delivery->new($localRoot,"",$Config->{Deliveryurl},"zzxxaaaaaaa");

How to read the value of $localRoot in my Delivery.pl

new sub currently looks like as follows
sub new($)
{
my $class = shift;
my $self = $class->SUPER::new(@_);
$self->{FILES} = ();
bless $self, $class;
return $self;
}