/**
* Add a category in a group
* by names given
*
* @param $group_name
* @param $category_name
* @return mixed
*/
public function addCategoryToGroupByName($group_name, $category_name)
{
$group = $this->notificationGropup->where('name', $group_name)->first();
$category = $this->notificationCategory->findByName($category_name);
$group->categories()->attach($category->id);
return $group;
}
