my %fields = (
        firstname => 'John',
        lastname  => 'Smith',
        pri_email => 'john.smith@example.com',
    );
    $crm->add(%fields);

    $crm->add(firstname => 'John', lastname => 'Smith', pri_email => 'john@xxxx.com');
    my @contacts = $crm->find(firstname => 'John');