> **Experimental**
>
> `@aws-cdk/aws-bedrock-alpha` is an [**experimental**](/stability) (alpha) package: its API may change in any release, without a major version bump.
# CommonPromptVariantProps

Common properties for all prompt variants.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`bedrock/prompts/prompt-variant.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-bedrock-alpha/bedrock/prompts/prompt-variant.ts#L33)

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import * as bedrock_alpha from '@aws-cdk/aws-bedrock-alpha';

declare const bedrockInvokable: bedrock_alpha.IBedrockInvokable;
const commonPromptVariantProps: bedrock_alpha.CommonPromptVariantProps = {
  model: bedrockInvokable,
  variantName: 'variantName',

  // the properties below are optional
  promptVariables: ['promptVariables'],
};
```

## Properties

- `model`: [IBedrockInvokable](/cdk/api/v2/docs/@aws-cdk_aws-bedrock-alpha.IBedrockInvokable.html) (required) — The model which is used to run the prompt.

  The model could be a foundation
  model, a custom model, or a provisioned model.

- `promptVariables`: string[] — The variables in the prompt template that can be filled in at runtime.

  **Default:** No variables defined.

- `variantName`: string (required) — The name of the prompt variant.