# CfnModuleDefaultVersionPropsMixin

Specifies the default version of a module.

The default version of the module will be used in CloudFormation operations for this account and Region.

For more information, see [Create reusable resource configurations that can be included across templates with CloudFormation modules](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/modules.html) in the *CloudFormation User Guide* .

For information about the CloudFormation registry, see [Managing extensions with the CloudFormation registry](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/registry.html) in the *CloudFormation User Guide* .

Extends: Mixin › CfnModuleDefaultVersionPropsMixin
Implements: IMixin

- CloudFormation: [`AWS::CloudFormation::ModuleDefaultVersion`](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-resource-cloudformation-moduledefaultversion.html)
- Source: Generated code
- Type last changed: v2.269.0 · 16 Sep 2026

## Initializer

```ts
new CfnModuleDefaultVersionPropsMixin(props: CfnModuleDefaultVersionMixinProps, options?: CfnPropertyMixinOptions)
```

## Methods

- `applyTo(construct: IConstruct): void` — Apply the mixin properties to the construct.

- `isMixin(x: any): boolean` (static) — Checks if `x` is a Mixin.

  **Parameters**

  - `x` — Any object.

  **Returns:** true if `x` is an object created from a class which extends `Mixin`.

- `supports(construct: IConstruct): boolean` — Check if this mixin supports the given construct.