'datetime:Y-m-d H:i:s', 'updated_at' => 'datetime:Y-m-d H:i:s', 'deleted_at' => 'datetime:Y-m-d H:i:s', ]; public $glue = ","; protected function serializeDate(DateTimeInterface $date) { return $date->format(Carbon::parse($date)->toDateTimeString()); } }