> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AnnotationAddedEventType - Python SDK

> AnnotationAddedEventType 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_OUTPUT_TEXT_ANNOTATION_ADDED` | response.output\_text.annotation.added |