# RequiredCommandValidationContext.failure

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [RequiredCommandValidationContext](/reference/api/typescript/aspire.hosting/requiredcommandvalidationcontext.md)
- Version: `13.5.0`
- Kind: `method`

Creates a failed validation result with the specified message.

## Definition

```typescript
interface RequiredCommandValidationContext {
  // ... omitted for brevity
  failure(validationMessage: string): RequiredCommandValidationResult;
}
```

## Signature

```typescript
failure(validationMessage: string): RequiredCommandValidationResult
```

## Parameters

- `validationMessage` (`string`)

## Returns

[RequiredCommandValidationResult](/reference/api/typescript/aspire.hosting/requiredcommandvalidationresult.md)

## Defined on

- [RequiredCommandValidationContext](/reference/api/typescript/aspire.hosting/requiredcommandvalidationcontext.md) -- `handle`