# SpeechFoundationModelProperty

Configuration for a foundation model used for speech synthesis and recognition capabilities.

- Source: Generated code
- Type last changed: v2.234.0 · 8 Jan 2026

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_lex as lex } from 'aws-cdk-lib';
const speechFoundationModelProperty: lex.CfnBot.SpeechFoundationModelProperty = {
  modelArn: 'modelArn',

  // the properties below are optional
  voiceId: 'voiceId',
};
```

## Properties

- `modelArn`: string (required)

- `voiceId`: string — The identifier of the voice to use for speech synthesis with the foundation model.