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

The health check protocol type.

- Stability: [Experimental](/cdk/api/stability.html)
- Source: [`lib/service.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0-alpha.0/packages/@aws-cdk/aws-apprunner-alpha/lib/service.ts#L926)

## Members

| Member | Description |
| --- | --- |
| `HTTP` | HTTP protocol. |
| `TCP` | TCP protocol. |

## Referenced by

- [`HealthCheck`](/v2/docs/@aws-cdk_aws-apprunner-alpha.HealthCheck).healthCheckProtocolType