public virtual IActionResult DeleteSpecificationAttributeGroup(int id)
        {
            if (!_permissionService.Authorize(StandardPermissionProvider.ManageAttributes))
            {
                return(AccessDeniedView());
            }

            var specificationAttributeGroup = _specificationAttributeService.GetSpecificationAttributeGroupById(id);

            if (specificationAttributeGroup == null)
            {
                return(RedirectToAction("List"));
            }

            _specificationAttributeService.DeleteSpecificationAttributeGroup(specificationAttributeGroup);

            _customerActivityService.InsertActivity("DeleteSpecAttributeGroup",
                                                    string.Format(_localizationService.GetResource("ActivityLog.DeleteSpecAttributeGroup"), specificationAttributeGroup.Name), specificationAttributeGroup);

            _notificationService.SuccessNotification(_localizationService.GetResource("Admin.Catalog.Attributes.SpecificationAttributes.SpecificationAttributeGroup.Deleted"));

            return(RedirectToAction("List"));
        }