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# 设置价格更新通知
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价目表文件可以随时更改。更新价目表文件后，系统将发送 Amazon Simple Notification Service（Amazon SNS）通知。您可以设置为在价格发生变化时接收通知，例如价格 AWS 下调或推出新产品和服务时。
您可在每次价格更改时收到通知，或每天接收一次通知。如果选择每天收到一次通知，则通知将包含前一天应用的所有价格更改。我们建议您设置通知，方便在其更改时获取最新文件。
**Contents**
+ [设置 Amazon SNS 通知](#set-up-sns-notifications-price-changes)
+ [的通知结构 AWS 服务](#notification-structure-for-aws-services)
+ [节省计划的通知结构](#notification-structures-for-aws-savings-plans)
## 设置 Amazon SNS 通知
您可以使用 AWS Management Console 来注册 Amazon SNS 通知。
**为价目表文件更新设置 Amazon SNS 通知**
1. [登录 AWS Management Console 并在 v3/home 上打开亚马逊 SNS 控制台。https://console.aws.amazon.com/sns/](https://console.aws.amazon.com/sns/v3/home)
1. 如果您不熟悉 Amazon SNS，请选择**开始使用**。
1. 如有必要，请将导航栏 AWS 区域 上的更改为**美国东部（弗吉尼亚北部）**。
1. 在导航窗格上，选择**订阅**。
1. 选择**创建订阅**。
1. 对于**主题 ARN**，根据需要输入以下内容：
+ 对于服务定价：
+ 要在每次价格变动时收到通知，请输入：`arn:aws:sns:us-east-1:278350005181:price-list-api`
+ 要每天收到一次价格变动通知，请输入：`arn:aws:sns:us-east-1:278350005181:daily-aggregated-price-list-api`
+ 对于节省计划定价 – 请输入 `arn:aws:sns:us-east-1:626627529009:SavingsPlanPublishNotifications`
1. 对于**协议**，请使用默认的 `HTTP` 设置。
1. 对于 **Endpoint**，请指定您想要接收通知的格式，例如亚马逊简单队列服务 (Amazon SQS) Simple Queue Service AWS Lambda或电子邮件。
1. 选择**创建订阅**。
当价格发生变化时，您将收到采用步骤 8 中指定的首选格式的通知。
**重要**
如果您收到错误消息 Couldn't create subscription. 错误代码： InvalidParameter -错误消息：参数无效： TopicArn，您可能没有使用美国东部（弗吉尼亚北部）区域。账单指标数据存储在这一区域，即使对于其他区域的资源也是如此。返回至步骤 3 并完成此过程的其余部分。
## 的通知结构 AWS 服务
定价更新通知的主题行采用以下格式。
```
[Pricing Update] New {{}} offer file available.
```
**Example 示例：主题行**
Amazon Relational Database Service（Amazon RDS）的定价更新通知如下所示。
```
[Pricing Update] New AmazonRDS offer file available.
```
**Example 示例：通知消息**
如果您订阅 AWS 服务 了 Amazon SQS、Lambda 或其他服务，则定价更新通知消息正文的结构如下所示。
```
{
"formatVersion":"v1.0",
"offerCode":"{{}}",
"version":"{{}}",
"timeStamp":"{{}}",
"url":{
"JSON":"{{}}",
"CSV":"{{}}"
},
"regionIndex":"",
"operation":"Publish"
}
```
例如，Amazon RDS 的通知消息如下所示。
```
{
"formatVersion":"v1.0",
"offerCode":"AmazonRDS",
"version":"20230328234721",
"timeStamp":"2023-03-28T23:47:21Z",
"url":{
"JSON":"https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/index.json",
"CSV":"https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/index.csv"
},
"regionIndex":"https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/region_index.json",
"operation":"Publish"
}
```
**Example 示例：电子邮件通知**
如果您订阅电子邮件，则定价更新电子邮件消息正文结构如下所示。
```
Hello,
You've received this notification because you subscribed to receiving updates from SNS topic arn:aws:sns:us-east-1:278350005181:price-list-api.
We've published a new version of the offer file for Service . To download the offer file, use the following URLs:
- JSON format : {{}}
- CSV format : {{}}
To download the index for the region-specific offer files, use the following URL:
- RegionIndexUrl : {{}}
To get a daily email that shows all price changes made the previous day, subscribe to the following SNS topic: arn:aws:sns:us-east-1:278350005181:daily-aggregated-price-list-api.
To learn more about offer files and index files, see http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/price-changes.html.
Thank You,
Amazon Web Services Team
```
Amazon RDS 电子邮件消息示例如下所示。
```
Hello,
You've received this notification because you subscribed to receiving updates from SNS topic arn:aws:sns:us-east-1:278350005181:price-list-api.
We've published a new version of the offer file for Service AmazonRDS. To download the offer file, use the following URLs:
- JSON format : https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/index.json
- CSV format : https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/index.csv
To download the index for the region-specific offer files, use the following URL:
- RegionIndexUrl : https://pricing.us-east-1.amazonaws.com/offers/v1.0/aws/AmazonRDS/current/region_index.json
To get a daily email that shows all price changes made the previous day, subscribe to the following SNS topic: arn:aws:sns:us-east-1:278350005181:daily-aggregated-price-list-api.
To learn more about offer files and index files, see http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/price-changes.html.
Thank You,
Amazon Web Services Team
```
## 节省计划的通知结构
定价更新通知的主题行采用以下格式。
```
[Pricing Update] New {{}} is available.
```
**Example 示例：节省计划的主题行**
节省计划的主题行如下所示。
```
[Pricing Update] New AWS Compute Savings Plan is available.
```
**Example 示例：通知消息**
如果您订阅 AWS 服务 了 Amazon SQS、Lambda 或其他服务，则定价更新通知消息正文的结构如下所示，
```
{
"version":"",
"offerCode":"",
"savingsPlanCode":"{{}}",
"topicArn":"arn:aws:sns:us-east-1:626627529009:SavingsPlanPublishNotifications",
"versionIndex":"{{}}",
"regionIndex":"{{}}"
}
```
例如，`ComputeSavingsPlans` 的通知如下所示。
```
{
"version":"20230509202901",
"offerCode":"AWSComputeSavingsPlan",
"savingsPlanCode":"ComputeSavingsPlans",
"topicArn":"arn:aws:sns:us-east-1:626627529009:SavingsPlanPublishNotifications",
"versionIndex":"https://pricing.us-east-1.amazonaws.com/savingsPlan/v1.0/aws/AWSComputeSavingsPlan/20230509202901/index.json",
"regionIndex":"https://pricing.us-east-1.amazonaws.com/savingsPlan/v1.0/aws/AWSComputeSavingsPlan/20230509202901/region_index.json"
}
```
**Example 示例：电子邮件通知**
如果您订阅电子邮件，则定价更新电子邮件正文结构如下所示。
```
Hello,
You've received this notification because you subscribed to receiving updates from SNS topic arn:aws:sns:us-east-1:626627529009:SavingsPlanPublishNotifications.
We've published a new version of {{}}.
To download the index of current region specific savings plans, use the following URL:
- {{}}
To download the index of previous versions of savings plans, use the following URL:
- {{}}
To learn more about Savings Plans, see http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/price-changes.html.
To learn about finding Savings Plan prices in an offer file, see https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/sp-offer-file.html
Thank You,
Amazon Web Services Team
```
例如，节省计划的电子邮件正文如下所示。
```
Hello,
You've received this notification because you subscribed to receiving updates from SNS topic arn:aws:sns:us-east-1:626627529009:SavingsPlanPublishNotifications.
We've published a new version of Compute Savings Plans.
To download the index of current region specific savings plans, use the following URL:
- https://pricing.us-east-1.amazonaws.com/savingsPlan/v1.0/aws/AWSComputeSavingsPlan/20230509202901/region_index.json
To download the index of previous versions of savings plans, use the following URL:
- https://pricing.us-east-1.amazonaws.com/savingsPlan/v1.0/aws/AWSComputeSavingsPlan/20230509202901/index.json
To learn more about savings plans, see http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/price-changes.html.
To learn about finding Savings Plan prices in an offer file, see https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/sp-offer-file.html
Thank You,
Amazon Web Services Team
```