# CfnStackUserAssociationProps

Properties for defining a `CfnStackUserAssociation`.

Extends: CfnStackUserAssociationProps
Used as props by: CfnStackUserAssociation

- Source: Generated code

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_appstream as appstream } from 'aws-cdk-lib';
const cfnStackUserAssociationProps: appstream.CfnStackUserAssociationProps = {
  authenticationType: 'authenticationType',
  stackName: 'stackName',
  userName: 'userName',

  // the properties below are optional
  sendEmailNotification: false,
};
```

## Properties

- `authenticationType`: string (required) — The authentication type for the user who is associated with the stack.

  You must specify USERPOOL.

- `sendEmailNotification`: boolean | [IResolvable](/cdk/api/v2/docs/aws-cdk-lib.IResolvable.html) — Specifies whether a welcome email is sent to a user after the user is created in the user pool.

- `stackName`: string (required) — The name of the stack that is associated with the user.

- `userName`: string (required) — The email address of the user who is associated with the stack.

  > Users' email addresses are case-sensitive.