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

Properties for creating a CDK managed Bedrock Prompt.

Extends: PromptProps
Used as props by: Prompt

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`bedrock/prompts/prompt.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-bedrock-alpha/bedrock/prompts/prompt.ts#L93)

## Example

```ts
const cmk = new kms.Key(this, 'cmk', {});
const claudeModel = bedrock.BedrockFoundationModel.ANTHROPIC_CLAUDE_SONNET_V1_0;

const variant1 = bedrock.PromptVariant.text({
  variantName: 'variant1',
  model: claudeModel,
  promptVariables: ['topic'],
  promptText: 'This is my first text prompt. Please summarize our conversation on: {{topic}}.',
  inferenceConfiguration: bedrock.PromptInferenceConfiguration.text({
    temperature: 1.0,
    topP: 0.999,
    maxTokens: 2000,
  }),
});

const prompt1 = new bedrock.Prompt(this, 'prompt1', {
  promptName: 'prompt1',
  description: 'my first prompt',
  defaultVariant: variant1,
  variants: [variant1],
  kmsKey: cmk,
});
```

## Properties

- `defaultVariant`: [IPromptVariant](/cdk/api/v2/docs/@aws-cdk_aws-bedrock-alpha.IPromptVariant.html) — The Prompt Variant that will be used by default.

  **Default:** No default variant provided.

- `description`: string — A description of what the prompt does.

  **Default:** No description provided. Maximum Length: 200

- `kmsKey`: [IKey](/cdk/api/v2/docs/aws-cdk-lib.aws_kms.IKey.html) — The KMS key that the prompt is encrypted with.

  **Default:** AWS owned and managed key.

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

  This will be used as the physical name of the prompt.
  Allowed Pattern: ^([0-9a-zA-Z][_-]?){1,100}$

- `tags`: { [key: string]: string } — Tags to apply to the prompt.

  **Default:** No tags applied.

- `variants`: [IPromptVariant](/cdk/api/v2/docs/@aws-cdk_aws-bedrock-alpha.IPromptVariant.html)[] — The variants of your prompt.

  **Default:** No additional variants provided.

  Variants can use different messages, models,
  or configurations so that you can compare their outputs to decide the best
  variant for your use case. Maximum of 1 variants.