# addHealthCheck

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Version: `13.5.0`
- Kind: `method`
- Source: [GitHub](https://github.com/microsoft/aspire/tree/e076d8e427cb3afb528dbd605acd74c3aea69f94)

Adds a custom health check callback to the distributed-application builder.

## Definition

```typescript
interface IDistributedApplicationBuilder {
  // ... omitted for brevity
  addHealthCheck(name: string, check: () => Promise<HealthCheckResult>): void
}
```

## Parameters

- `name` (`string`)
- `check` (`() => Promise<HealthCheckResult>`)

## Applies to

- [IDistributedApplicationBuilder](/reference/api/typescript/aspire.hosting/idistributedapplicationbuilder.md)