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

# Parameter - TypeScript SDK

> Parameter type definition

<Warning>
  The TypeScript SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/typescript-sdk/issues).
</Warning>

## Example Usage

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

let value: Parameter = "temperature";

// Open enum: unrecognized values are captured as Unrecognized<string>
```

## Values

```typescript lines theme={null}
"temperature" | "top_p" | "top_k" | "min_p" | "top_a" | "frequency_penalty" | "presence_penalty" | "repetition_penalty" | "max_tokens" | "max_completion_tokens" | "logit_bias" | "logprobs" | "top_logprobs" | "seed" | "response_format" | "structured_outputs" | "stop" | "tools" | "tool_choice" | "parallel_tool_calls" | "include_reasoning" | "reasoning" | "reasoning_effort" | "web_search_options" | "verbosity" | Unrecognized<string>
```