# IResourceWithWaitSupport.waitForCompletion

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [IResourceWithWaitSupport](/reference/api/typescript/aspire.hosting/iresourcewithwaitsupport.md)
- Version: `13.4.0`
- Kind: `method`

Waits for the dependency resource to enter the Exited or Finished state before starting the resource.

## Definition

```typescript
interface IResourceWithWaitSupport {
  // ... omitted for brevity
  waitForCompletion(
      dependency: IResource,
      exitCode?: number): IResourceWithWaitSupport;
}
```

## Signature

```typescript
waitForCompletion(
    dependency: IResource,
    exitCode?: number): IResourceWithWaitSupport
```

## Parameters

- `dependency` ([IResource](/reference/api/typescript/aspire.hosting/iresource.md))
- `exitCode` (`number`) `optional` `= 0`

## Returns

[IResourceWithWaitSupport](/reference/api/typescript/aspire.hosting/iresourcewithwaitsupport.md) `builder`

## Defined on

- [IResourceWithWaitSupport](/reference/api/typescript/aspire.hosting/iresourcewithwaitsupport.md) -- `interface`