> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Validation

Where tool-call arguments are checked against the original schema. Only `runtime` (in OpenRouter) is available in this release.

## Example Usage

```typescript theme={null}
import { Validation } from "@openrouter/sdk/models";

let value: Validation = "runtime";
```

## Values

```typescript theme={null}
"runtime"
```