# ModifyListenerAttribute

## 1. 接口描述

本接口(ModifyListenerAttribute)用于修改监听器配置。

## 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                                                                                                          |
| --------------- | -- | ------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------- |
| listenerId      | 是  | String                                                                    | 监听器的ID。                                                                                                     |
| listenerName    | 否  | String                                                                    | <p>监听器名称。</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>                                                         |
| protocol        | 否  | String                                                                    | <p>监听协议。取值：</p><ul><li>TCP</li><li>UDP</li></ul>                                                            |
| backendProtocol | 否  | String                                                                    | <p>后端转发协议。取值：</p><ul><li>TCP</li><li>UDP</li></ul>                                                          |
| scheduler       | 否  | String                                                                    | <p>调度算法。取值：</p><ul><li>wrr（默认值）：加权轮询，权重值越高的后端服务器，被轮询到的概率也越高。</li><li>rr：轮询，按照访问顺序依次将外部请求分发到后端服务器。</li></ul> |
| kind            | 否  | [LbKind](/api-reference/cn/compute/bmc/datastructure.md#lbkind)           | <p>工作模式。取值：</p><ul><li>NAT</li><li>DR</li></ul>                                                             |
| healthCheck     | 否  | [HealthCheck](/api-reference/cn/compute/bmc/datastructure.md#healthcheck) | 健康检查。                                                                                                       |
| notify          | 否  | [Notify](/api-reference/cn/compute/bmc/datastructure.md#notify)           | 警报。                                                                                                         |

## 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. 修改Listener配置

```json
POST /api/v2/bmc HTTP/1.1
Host: console.zenlayer.com
Content-Type: application/json
X-ZC-Action: ModifyListenerAttribute
Request:
{
  "listenerId": "xxxx",
  "listenerName": "xxxx"
}
Response:
{
  "requestId": "TEEFDCA5B-76FB-4E91-A18E-DF7F5D2CE41F",
  "response": {
    "requestId": "TEEFDCA5B-76FB-4E91-A18E-DF7F5D2CE41F"
  }
}
```

{% 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 |
| ------- | --- | -- |


---

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