# CfnDataSourcePropsMixin

The `AWS::AppSync::DataSource` resource creates data sources for resolvers in AWS AppSync to connect to, such as Amazon DynamoDB , AWS Lambda , and Amazon OpenSearch Service .

Resolvers use these data sources to fetch data when clients make GraphQL calls.

Extends: Mixin › CfnDataSourcePropsMixin
Implements: IMixin

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

## Initializer

```ts
new CfnDataSourcePropsMixin(props: CfnDataSourceMixinProps, 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.