# CfnInstanceEventWindowPropsMixin

Resource type definition for AWS::EC2::InstanceEventWindow.

An event window defines a recurring set of time ranges, or a cron expression, during which AWS-initiated maintenance events may be scheduled for the associated Amazon EC2 instances or Dedicated Hosts.

Extends: Mixin › CfnInstanceEventWindowPropsMixin
Implements: IMixin

- CloudFormation: [`AWS::EC2::InstanceEventWindow`](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-instanceeventwindow.html)
- Source: Generated code
- Type last changed: v2.272.0 · 1 Oct 2026

## Initializer

```ts
new CfnInstanceEventWindowPropsMixin(props: CfnInstanceEventWindowMixinProps, 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.