SYNOPSIS

 use User::Identity;
 use User::Identity::System;
 my $me   = User::Identity->new(...);
 my $server = User::Identity::System->new(...);
 $me->add(system => $server);

 # Simpler

 use User::Identity;
 my $me   = User::Identity->new(...);
 my $addr = $me->add(system => ...);

DESCRIPTION

The User::Identity::System object contains the description of the user's presence on a system. The systems are collected by an User::Identity::Collection::Systems object.

Nearly all methods can return undef.

See DESCRIPTION in User::Identity::Item