Amazon AppStream 2.0
API Reference (API Version 2016-12-01)


Associates the specified users with the specified stacks. Users in a user pool cannot be assigned to stacks with fleets that are joined to an Active Directory domain.

Request Syntax

{ "UserStackAssociations": [ { "AuthenticationType": "string", "SendEmailNotification": boolean, "StackName": "string", "UserName": "string" } ] }

Request Parameters

For information about the parameters that are common to all actions, see Common Parameters.

The request accepts the following data in JSON format.


The list of UserStackAssociation objects.

Type: Array of UserStackAssociation objects

Array Members: Minimum number of 1 item. Maximum number of 25 items.

Required: Yes

Response Syntax

{ "errors": [ { "ErrorCode": "string", "ErrorMessage": "string", "UserStackAssociation": { "AuthenticationType": "string", "SendEmailNotification": boolean, "StackName": "string", "UserName": "string" } } ] }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


The list of UserStackAssociationError objects.

Type: Array of UserStackAssociationError objects


For information about the errors that are common to all actions, see Common Errors.


The attempted operation is not permitted.

HTTP Status Code: 400

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: