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

Properties for creating a chat template configuration.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`bedrock/prompts/prompt-template-configuration.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0-alpha.0/packages/@aws-cdk/aws-bedrock-alpha/bedrock/prompts/prompt-template-configuration.ts#L25)

## 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 chatMessage: bedrock_alpha.ChatMessage;
declare const tool: bedrock_alpha.Tool;
declare const toolChoice: bedrock_alpha.ToolChoice;
const chatTemplateConfigurationProps: bedrock_alpha.ChatTemplateConfigurationProps = {
  messages: [chatMessage],

  // the properties below are optional
  inputVariables: ['inputVariables'],
  system: 'system',
  toolConfiguration: {
    toolChoice: toolChoice,
    tools: [tool],
  },
};
```

## Properties

- `inputVariables`: string[] — The input variables for the template.

  **Default:** No input variables

- `messages`: [ChatMessage](/cdk/api/v2/docs/@aws-cdk_aws-bedrock-alpha.ChatMessage.html)[] (required) — The messages in the chat template.

- `system`: string — The system message for the chat template.

  **Default:** No system message

- `toolConfiguration`: [ToolConfiguration](/cdk/api/v2/docs/@aws-cdk_aws-bedrock-alpha.ToolConfiguration.html) — The tool configuration for the chat template.

  **Default:** No tool configuration