Fenos\Notifynder\Contracts\NotifynderGroup::addCategoryToGroupById PHP Méthode

    public function addCategoryToGroupById($groupId, $categoryId);

 /**
  * Add category to a group
  * giving the ids of them
  *
  * @param $gorup_id
  * @param $category_id
  * @return mixed
  */
 public function addCategoryToGroupById($gorup_id, $category_id)
 {
     return $this->notifynderGroup->addCategoryToGroupById($gorup_id, $category_id);
 }