package Test1; use base 'Example1'; ## overrided method sub getObjectId { my $self = shift; my $arg = shift; return Other::Package::lookupId($arg); } 1; package Test2; use base 'Example2'; ## overrided method sub getObjectId { my $self = shift; my $arg = shift; return Other::Package::lookupId($arg); } 1; package Test3; use base 'Example2'; ## overrided method sub getObjectId { my $self = shift; my $arg = shift; return Other::Package::lookupId($arg); } 1;