'required|max_length[100]', 'grade' => 'required|max_length[50]', 'major' => 'required|max_length[50]', 'wali_user_id' => 'permit_empty|integer|is_not_unique[users.id]', ]; protected $validationMessages = []; protected $skipValidation = false; protected $cleanValidationRules = true; // Callbacks protected $allowCallbacks = true; protected $beforeInsert = []; protected $afterInsert = []; protected $beforeUpdate = []; protected $afterUpdate = []; protected $beforeFind = []; protected $afterFind = []; protected $beforeDelete = []; protected $afterDelete = []; }