> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# StopServerToolsWhenFinishReasonIs - Python SDK

> StopServerToolsWhenFinishReasonIs method reference

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

Stop when the upstream model emits this finish reason (e.g. `length`).

## Fields

| Field    | Type                                                                                                                                   | Required             | Description |
| -------- | -------------------------------------------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `reason` | *str*                                                                                                                                  | :heavy\_check\_mark: | N/A         |
| `type`   | [components.StopServerToolsWhenFinishReasonIsType](/client-sdks/python/api-reference/components/stopservertoolswhenfinishreasonistype) | :heavy\_check\_mark: | N/A         |