AWS：为Cognito触发器指定Lambda版本 [英] AWS: specify Lambda version for Cognito trigger

问题描述

我有一个Cognito用户池和一个相应的身份池。

I have a Cognito User Pool and corresponding a Identity pool.

我想在 Post身份验证中调用Lambda函数的特定版本。 或类似的其他触发器。

I want to call a specific version of my Lambda function on Post authentication or some other trigger like that.

我看不到在控制台中指定版本代码的选项，尽管所有示例都有一个版本号。

I don't see an option to specify a version code in the Console although the examples all have a version number.

http://docs.aws.amazon.com/cognito/latest/developerguide/cognito-user-identity-pools-working-with-aws- lambda-triggers.html

{
    "version": number,
    "triggerSource": "string",
    "region": AWSRegion,
    "userPoolId": "string",
    ...
}

如何指定lambda函数的版本？

How do I specify the version of the lambda function?

推荐答案

Cognito，始终使用最新版本或任何其他版本是lambda提供的默认版本。

Cognito, always uses the latest version or whatever is the default version provided by lambda.

您在文档中引用的版本是事件版本号。如果将来Cognito对请求的格式进行重大更改，则可以通过检查此版本号来保护代码免遭破坏。

The version that you are referring in the documentation is the event version number. In case in the future Cognito introduces a breaking change to the format of the request you can protect your code from breaking by checking this version number.

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