# CfnKnowledgeBasePropsMixin

Specifies a knowledge base as a resource in a top-level template. Minimally, you must specify the following properties:.

- Name – Specify a name for the knowledge base.
- RoleArn – Specify the Amazon Resource Name (ARN) of the IAM role with permissions to invoke API operations on the knowledge base. For more information, see [Create a service role for Knowledge base for Amazon Bedrock](https://docs.aws.amazon.com/bedrock/latest/userguide/kb-permissions.html) .
- KnowledgeBaseConfiguration – Specify the embeddings configuration of the knowledge base. The following sub-properties are required:

- Type – Specify the value `VECTOR` .
- StorageConfiguration – Specify information about the vector store in which the data source is stored. The following sub-properties are required:

- Type – Specify the vector store service that you are using.

> Redis Enterprise Cloud vector stores are currently unsupported in CloudFormation .

For more information about using knowledge bases in Amazon Bedrock , see [Knowledge base for Amazon Bedrock](https://docs.aws.amazon.com/bedrock/latest/userguide/knowledge-base.html) .

See the *Properties* section below for descriptions of both the required and optional properties.

Extends: Mixin › CfnKnowledgeBasePropsMixin
Implements: IMixin

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

## Initializer

```ts
new CfnKnowledgeBasePropsMixin(props: CfnKnowledgeBaseMixinProps, 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.