# CommandLineArgsEditor.add

- Module: [Aspire.Hosting](/reference/api/typescript/aspire.hosting.md)
- Defined on: [CommandLineArgsEditor](/reference/api/typescript/aspire.hosting/commandlineargseditor.md)
- Version: `13.3.0`
- Kind: `method`

Adds a command-line argument

## Definition

```typescript
interface CommandLineArgsEditor {
  // ... omitted for brevity
  add(value: IExpressionValue): void;
}
```

## Signature

```typescript
add(value: IExpressionValue): void
```

## Parameters

- `value` ([IExpressionValue](/reference/api/typescript/aspire.hosting/iexpressionvalue.md))

## Defined on

- [CommandLineArgsEditor](/reference/api/typescript/aspire.hosting/commandlineargseditor.md) -- `handle`