# 修改子应用 - UpdateSubApp
#### 功能介绍
该接口用于修改子应用。
#### 调用方法
请参见[如何调用API](https://support.huaweicloud.com/api-aom/aom_04_0057.html)。
#### 授权信息
账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。
- 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-aom/aom_04_0031.html)。
- 如果使用身份策略授权，当前API调用无需身份策略权限。
#### URI
PUT /v1/sub-applications/{sub_app_id}
表1路径参数 
| 参数         | 是否必选 | 参数类型   | 描述    |
|:---|:---|:---|:---|
| sub_app_id | 是    | String | 子应用id |
#### 请求参数
表2请求Header参数 
| 参数           | 是否必选 | 参数类型   | 描述                                                  |
|:---|:---|:---|:---|
| X-Auth-Token | 是    | String | 从IAM服务获取的用户Token。                                   |
| Content-Type | 是    | String | 指定类型为application/json，有Body体的情况下必选，没有Body体则无需填写和校验。 |
   
表3请求Body参数 
| 参数           | 是否必选 | 参数类型   | 描述                            |
|:---|:---|:---|:---|
| name         | 是    | String | 子应用唯一标识                       |
| display_name | 否    | String | 子应用节点显示名称                     |
| description  | 否    | String | 子应用描述 最小长度：**0** 最大长度：**255** |
   
#### 响应参数
**状态码：200**
OK 修改成功
**状态码：400**
表4响应Body参数 
| 参数         | 参数类型   | 描述           |
|:---|:---|:---|
| error_code | String | AOM.30005001 |
| error_msg  | String | 参数错误         |
   
**状态码：403**
表5响应Body参数 
| 参数         | 参数类型   | 描述           |
|:---|:---|:---|
| error_code | String | AOM.30001005 |
| error_msg  | String | 没有权限         |
   
#### 请求示例
修改sub-app信息
```
https://{Endpoint}/v1/sub-applications/{sub_app_id}
{
  "name" : "example1",
  "display_name" : "example1",
  "description" : "子应用信息"
}
```
#### 响应示例
无
#### SDK代码示例
SDK代码示例如下。
- [Java]
  修改sub-app信息
  ```
  package com.huaweicloud.sdk.test;
  import com.huaweicloud.sdk.core.auth.ICredential;
  import com.huaweicloud.sdk.core.auth.BasicCredentials;
  import com.huaweicloud.sdk.core.exception.ConnectionException;
  import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
  import com.huaweicloud.sdk.core.exception.ServiceResponseException;
  import com.huaweicloud.sdk.aom.v3.region.AomRegion;
  import com.huaweicloud.sdk.aom.v3.*;
  import com.huaweicloud.sdk.aom.v3.model.*;
  public class UpdateSubAppSolution {
      public static void main(String[] args) {
          // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
          // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
          String ak = System.getenv("CLOUD_SDK_AK");
          String sk = System.getenv("CLOUD_SDK_SK");
          ICredential auth = new BasicCredentials()
                  .withAk(ak)
                  .withSk(sk);
          AomClient client = AomClient.newBuilder()
                  .withCredential(auth)
                  .withRegion(AomRegion.valueOf("<YOUR REGION>"))
                  .build();
          UpdateSubAppRequest request = new UpdateSubAppRequest();
          request.withSubAppId("{sub_app_id}");
          SubAppUpdateParam body = new SubAppUpdateParam();
          body.withDescription("子应用信息");
          body.withDisplayName("example1");
          body.withName("example1");
          request.withBody(body);
          try {
              UpdateSubAppResponse response = client.updateSubApp(request);
              System.out.println(response.toString());
          } catch (ConnectionException e) {
              e.printStackTrace();
          } catch (RequestTimeoutException e) {
              e.printStackTrace();
          } catch (ServiceResponseException e) {
              e.printStackTrace();
              System.out.println(e.getHttpStatusCode());
              System.out.println(e.getRequestId());
              System.out.println(e.getErrorCode());
              System.out.println(e.getErrorMsg());
          }
      }
  }
  ```
- [Python]
  修改sub-app信息
  ```
  # coding: utf-8
  import os
  from huaweicloudsdkcore.auth.credentials import BasicCredentials
  from huaweicloudsdkaom.v3.region.aom_region import AomRegion
  from huaweicloudsdkcore.exceptions import exceptions
  from huaweicloudsdkaom.v3 import *
  if __name__ == "__main__":
      # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
      # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
      ak = os.environ["CLOUD_SDK_AK"]
      sk = os.environ["CLOUD_SDK_SK"]
      credentials = BasicCredentials(ak, sk)
      client = AomClient.new_builder() \
          .with_credentials(credentials) \
          .with_region(AomRegion.value_of("<YOUR REGION>")) \
          .build()
      try:
          request = UpdateSubAppRequest()
          request.sub_app_id = "{sub_app_id}"
          request.body = SubAppUpdateParam(
              description="子应用信息",
              display_name="example1",
              name="example1"
          )
          response = client.update_sub_app(request)
          print(response)
      except exceptions.ClientRequestException as e:
          print(e.status_code)
          print(e.request_id)
          print(e.error_code)
          print(e.error_msg)
  ```
- [Go]
  修改sub-app信息
  ```
  package main
  import (
  "fmt"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
      aom "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/v3"
  "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/v3/model"
      region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/aom/v3/region"
  )
  func main() {
      // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
      // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
      ak := os.Getenv("CLOUD_SDK_AK")
      sk := os.Getenv("CLOUD_SDK_SK")
      auth := basic.NewCredentialsBuilder().
          WithAk(ak).
          WithSk(sk).
          Build()
      client := aom.NewAomClient(
          aom.AomClientBuilder().
              WithRegion(region.ValueOf("<YOUR REGION>")).
              WithCredential(auth).
              Build())
      request := &model.UpdateSubAppRequest{}
  request.SubAppId = "{sub_app_id}"
  descriptionSubAppUpdateParam:= "子应用信息"
  displayNameSubAppUpdateParam:= "example1"
  request.Body = &model.SubAppUpdateParam{
  Description: &descriptionSubAppUpdateParam,
  DisplayName: &displayNameSubAppUpdateParam,
  Name: "example1",
  }
  response, err := client.UpdateSubApp(request)
  if err == nil {
          fmt.Printf("%+v\n", response)
      } else {
          fmt.Println(err)
      }
  }
  ```
- [更多]
  更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/AOM/sdk?api=UpdateSubApp)的代码示例页签，可生成自动对应的SDK代码示例。
#### 状态码
| 状态码 | 描述      |
|:---|:---|
| 200 | OK 修改成功 |
| 400 | 参数异常    |
| 403 | 没有权限    |
   
#### 错误码
请参见[错误码](https://support.huaweicloud.com/api-aom/ErrorCode.html)。