$attr_type->authorised_value_category($authorised_value_category);
my $password_allowed = $input->param('password_allowed');
$attr_type->password_allowed($password_allowed);
$attr_type->authorised_value_category($authorised_value_category);
my $password_allowed = $input->param('password_allowed');
$attr_type->password_allowed($password_allowed);