public function toArray($request): array 	{ 		return [ 			'id' => $this->getKey(), 			'question_id' => $this->question_id, 			'applicant_id' => $this->applicant_id, 			'answer_value' => $this->answer_value, 			'created_at' => formatTimestamp($this->created_at), 			'updated_at' => formatTimestamp($this->updated_at), 		]; 	}