---
title: "ContractDemandCost"
slug: "common-vapidatatype-contractdemandcost"
updated: 2026-09-17T09:31:00Z
published: 2026-09-17T09:31:00Z
canonical: "api.ncloud-docs.com/common-vapidatatype-contractdemandcost"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# ContractDemandCost

Available in Classic and VPC

This is a contract billing expense.

## Syntax

The syntax is as follows.

```
private String memberNo;
private String regionCode;
private CommonCode demandType;
private CommonCode demandTypeDetail;
private Contract contract;
private String demandMonth;
private Double unitUsageQuantity;
private Double packageUnitUsageQuantity;
private Double totalUnitUsageQuantity;
private CommonCode usageUnit;
private Double productPrice;
private Double useAmount;
private Double promotionDiscountAmount;
private Double etcDiscountAmount;
private Double promiseDiscountAmount;
private Double demandAmount;
private Date writeDate;
private Double memberPriceDiscountAmount;
private Double memberPromiseDiscountAddAmount;
private CommonCode payCurrency;
private Double thisMonthAppliedExchangeRate;
```

## Field

The following describes the fields.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `memberNo` | String | Required | Member number |
| `regionCode` | String | Required | Region code |
| `demandType` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Billing type code |
| `demandTypeDetail` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Billing type detailed code |
| `contract` | [Contract](/docs/en/common-vapidatatype-Contract) | Required | Contract information |
| `demandMonth` | String | Required | Billing month |
| `unitUsageQuantity` | Double | Required | Unit usage |
| `packageUnitUsageQuantity` | Double | Required | Package unit usage |
| `totalUnitUsageQuantity` | Double | Required | Total unit usage |
| `usageUnit` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Usage unit |
| `productPrice` | Double | Required | Product pricing |
| `useAmount` | Double | Required | Usage fee amount |
| `promotionDiscountAmount` | Double | Required | Promotion discount amount |
| `etcDiscountAmount` | Double | Required | Other discount amount |
| `promiseDiscountAmount` | Double | Required | Contract discount amount |
| `demandAmount` | Double | Required | Billing amount |
| `writeDate` | Date | Required | Creation date and time (YYYY-MM-DDThh:mm:ssZ) |
| `memberPriceDiscountAmount` | Double | Required | Membership pricing plan discount amount |
| `memberPromiseDiscountAddAmount` | Double | Required | Membership contract pricing plan discount amount |
| `payCurrency` | [CommonCode](/docs/en/common-vapidatatype-commoncode) | Required | Payment currency |
| `thisMonthAppliedExchangeRate` | Double | Required | Applicable exchange rate for this month |