$pi_name         = 'paypal';
    $pi_display_name = 'Paypal';
    $pi_admin        = $pi_display_name . ' Admin';
    $pi_user         = $pi_display_name . ' User';
    $pi_viewer       = $pi_display_name . ' Viewer';
       
    $info = array(
        'pi_name'         => $pi_name,
        'pi_display_name' => $pi_display_name,
        'pi_version'      => '1.0',
        'pi_gl_version'   => '1.6.0',
        'pi_homepage'     => 'http://www.geeklog.fr'
    );

    $groups = array(
        $pi_admin => 'Users in this group can administer the '
                     . $pi_display_name . ' plugin',
                $pi_user => 'Users in this group can access to the '
                     . $pi_display_name . ' plugin',
                $pi_viewer => 'Users in this group can view the '
                     . $pi_display_name . ' plugin'
    );

    $features = array(
        $pi_name . '.admin'    => 'Full access to ' . $pi_display_name
                                  . ' plugin',
        $pi_name . '.user'    => 'People who can shop with the ' . $pi_display_name
                                  . ' plugin',
        $pi_name . '.viewer'    => 'People who can browse (but not buy) with the ' . $pi_display_name
                                  . ' plugin',
    );

    $mappings = array(
        $pi_name . '.admin'     => array($pi_admin),
        $pi_name . '.user'     => array($pi_admin),            
        $pi_name . '.viewer'     => array($pi_admin),

        );