---
# API: MRP Change Request Reason (A2X)
# File: MRPCHANGEREQUESTREASON_0001.md
# Version: 1.0.0
# Status: ACTIVE
# Protocol: OData V4
# Source URL: https://api.sap.com/api/MRPCHANGEREQUESTREASON/overview
# Generated: 2026-07-23 14:17:02
---

# MRP Change Request Reason (A2X) / MRP 变更请求原因 API

> **API 版本:** 1.0.0 | **状态:** ACTIVE | **协议:** OData V4  
> **技术名称:** `MRPCHANGEREQUESTREASON`  
> **服务根路径:** `/sap/opu/odata4/sap/mrpchangerequestreason/srvd_a2x/sap/mrpchangerequestreason/0001/`  
> **SAP 通信场景:** `SAP_COM_0883`

## 概述 / Overview

该服务支持对 MRP 变更请求原因进行读取操作，用于管理和查询 MRP 计划变更的原因代码及相关说明。

This synchronous inbound OData V4 service enables read operations on MRP change request reasons, used to manage and query reason codes and descriptions for MRP planning changes.

**API 业务加速器中心:** [https://api.sap.com/api/MRPCHANGEREQUESTREASON/overview](https://api.sap.com/api/MRPCHANGEREQUESTREASON/overview)

---

## 实体列表 / Entity List

| # | 实体名称 | 描述 (EN) | 描述 (CN) | 主键 |
|---|----------|-----------|-----------|------|
| 1 | `A_MRPChangeRequestReason` | MRP Change Request Reason | MRP 变更请求原因 | `MRPChangeRequestReason` |

---

## 1. A_MRPChangeRequestReason — MRP 变更请求原因

**实体集合路径:** `A_MRPChangeRequestReason`  
**主键 (Key):** `MRPChangeRequestReason` (CHAR 2)  
**ETag:** 不支持

### 字段列表 / Field List

| 字段名 | 类型 | 长度 | 描述 (EN) | 描述 (CN) |
|--------|------|------|-----------|-----------|
| `MRPChangeRequestReason` | CHAR | 2 | MRP Change Request Reason | MRP 变更请求原因编码 |
| `ReasonName` | CHAR | 40 | Reason Name | 原因名称 |
| `ReasonDescription` | CHAR | 100 | Reason Description | 原因描述 |
| `IsActive` | BOOLEAN | 1 | Is Active | 是否启用 |

---

## 示例请求 / Sample Request

### 读取原因列表 / Read Reason List

```http
GET /sap/opu/odata4/sap/mrpchangerequestreason/srvd_a2x/sap/mrpchangerequestreason/0001/A_MRPChangeRequestReason
```

### 读取单个原因 / Read Single Reason

```http
GET /sap/opu/odata4/sap/mrpchangerequestreason/srvd_a2x/sap/mrpchangerequestreason/0001/A_MRPChangeRequestReason('{MRPChangeRequestReason}')
```
