---
type: resource-type
title: StackUserAssociation
description: aws resource type AWS::AppStream::StackUserAssociation
name: StackUserAssociation
lexicon: aws
resource_type: AWS::AppStream::StackUserAssociation
---
`AWS::AppStream::StackUserAssociation`, a resource type of the aws lexicon.

## Properties

- `AuthenticationType` (`string`, required): The authentication type for the user who is associated with the stack. You must specify USERPOOL.
- `StackName` (`string`, required): The name of the stack that is associated with the user.
- `UserName` (`string`, required): The name of the user who is associated with the stack.
- `SendEmailNotification` (`boolean`, optional): Specifies whether a welcome email is sent to a user after the user is created in the user pool.