> ## 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.

# ApplyPatchCallOperationDiffDeltaEventType - Python SDK

> ApplyPatchCallOperationDiffDeltaEventType method reference

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

## Values

| Name                                             | Value                                              |
| ------------------------------------------------ | -------------------------------------------------- |
| `RESPONSE_APPLY_PATCH_CALL_OPERATION_DIFF_DELTA` | response.apply\_patch\_call\_operation\_diff.delta |