# CustomEmailSenderProperty

The configuration of a custom email sender Lambda trigger.

This trigger routes all email notifications from a user pool to a Lambda function that delivers the message using custom logic.

- Source: Generated code
- Type last changed: v2.93.0 · 23 Aug 2023

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_cognito as cognito } from 'aws-cdk-lib';
const customEmailSenderProperty: cognito.CfnUserPool.CustomEmailSenderProperty = {
  lambdaArn: 'lambdaArn',
  lambdaVersion: 'lambdaVersion',
};
```

## Properties

- `lambdaArn`: string — The Amazon Resource Name (ARN) of the function that you want to assign to your Lambda trigger.

- `lambdaVersion`: string — The user pool trigger version of the request that Amazon Cognito sends to your Lambda function.

  Higher-numbered versions add fields that support new features.

  You must use a `LambdaVersion` of `V1_0` with a custom sender function.