Free unit accessible by only logged in users.

Add this code in Wplms-customizer Plugin->customizer_class.php.

  1. Add this line in function __construct()
add_action('template_redirect',array($this,'wplms_free_units_not_available'),10,9);

2. Add the following code After function __construct()

function wplms_free_units_not_available(){
            if(is_singular('unit') && ! is_user_logged_in())
                wp_redirect( home_url() );
             
        }