App\Ninja\Import\Harvest\PaymentTransformer::transform PHP 메소드

    public function transform($data)
    {
        return new Item($data, function ($data) {
            return ['amount' => $data->paid_amount, 'payment_date_sql' => $this->getDate($data->last_payment_date, 'm/d/Y'), 'client_id' => $data->client_id, 'invoice_id' => $data->invoice_id];
        });
    }