> This page is for version v2026-02-09 (default).
> For other versions, use one of these documentation indexes:
> - v2026-02-09 (default): https://docs.extend.ai/2026-02-09/llms.txt
> - v2025-04-21: https://docs.extend.ai/2025-04-21/llms.txt
> - v2024-12-23: https://docs.extend.ai/2024-12-23/llms.txt

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.ai/llms.txt
> Use this file to discover all available pages before exploring further.
>
> ## API version
> The current API version is `2026-02-09`, served at the site root (no version prefix in URLs).
> If this page URL contains `/2025-04-21/` or `/2024-12-23/`, you are reading an older API version.
> Prefer the current docs at https://docs.extend.ai/llms.txt unless the user explicitly needs that older version.
> Do not treat older-version pages as the source of truth for new integrations.

# Array(Enum) support in extraction schemas

> Extraction schemas now support Array(Enum) field types for extracting arrays of enumerated values, starting with base version 4.6.1.

A long-standing legacy limitation is gone: with base extraction version `4.6.1`, you can now use `Array(Enum)` as a field type to extract arrays of enumerated values directly in your schemas.

![](/_fern-files/_img/12473f7bc0deafcb4c8737621081a8b3c392e81cd7355ba47ebad9a8be26883e.webp)