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

## Properties

- `Arn` (`string`, optional): The Amazon Resource Name (ARN) of the module version to set as the default version.
- `ModuleName` (`string`, optional): The name of a module existing in the registry.
- `VersionId` (`string`, optional): The ID of an existing version of the named module to set as the default.