# ModifyInstancesAttribute

## 1. 接口描述

本接口(ModifyInstancesAttribute)用于本接口用于修改实例的属性（目前只支持修改实例的显示名称）。

{% hint style="info" %}
**注意事项**

* 支持批量操作。每次请求批量实例的上限为100。
* 如果其中有实例ID不存在，则本操作会立即失败。
  {% endhint %}

## 2. 请求参数

以下请求参数列表仅列出了接口中需要的请求参数

| 参数名称         | 必选 | 类型              | 描述                                                                                   |
| ------------ | -- | --------------- | ------------------------------------------------------------------------------------ |
| instanceName | 是  | String          | <p>实例名称。</p><p>不得超过64个字符。仅支持输入字母、数字、-和英文句点(.)。</p>                                   |
| instanceIds  | 是  | Array of String | <p>一个或多个待操作的实例ID。</p><p>可通过DescribeInstances接口返回值中的instanceId获取。每次请求批量实例的上限为100。</p> |

## 3. 响应结果

| 参数名称      | 类型     | 描述                                                       |
| --------- | ------ | -------------------------------------------------------- |
| requestId | String | <p>唯一请求 ID。</p><p>每次请求都会返回。定位问题时需要提供该次请求的 requestId。</p> |

## 4. 代码示例

{% tabs %}
{% tab title="示例" %}

1. **批量修改实例的名称** 同时修改两个实例的名称为`myInstanceName`。

```json
POST /api/v2/bmc HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: ModifyInstancesAttribute
Request:
{
  "instanceIds": [
    "instanceId1",
    "instanceId2"
  ],
  "instanceName": "myInstanceName"
}
Response:
{
  "requestId": "TC1748D3E-452D-4F74-8485-7AA73718E453",
  "response": {
    "requestId": "TC1748D3E-452D-4F74-8485-7AA73718E453"
  }
}
```

{% endtab %}
{% endtabs %}

## 5. 开发者工具

Zenlayer Cloud API 2.0 提供了配套的[开发工具集（SDK）](/api-reference/cn/api-introduction/toolkit.md)，未来会陆续支持更多开发语言，方便快速接入和使用Zenlayer的产品和服务。

## 6. 错误码

下面包含业务逻辑中遇到的错误码，其他错误码见[公共错误码](/api-reference/cn/api-introduction/instruction/commonerrorcode.md)

| HTTP状态码 | 错误码                           | 说明     |
| ------- | ----------------------------- | ------ |
| 404     | INVALID\_INSTANCE\_NOT\_FOUND | 实例不存在。 |


---

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```
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```

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