> ## 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. # Extraction citation mode control (line, word, block) > Set citationMode to line, word, or block so extraction citation polygons match the granularity you need; parse 2.0.0-beta now supports bounding box citations. When bounding box citations are enabled on an extractor, you can set **`citationMode`** in **`advancedOptions`** to **`line`**, **`word`**, or **`block`** so citation polygons match the granularity you want. If you leave it unset, behavior matches what you have today (line-based citation processing plus block overlap handling across supported parse engines). Extraction pipelines that use the **parse 2.0.0-beta** engine can now return bounding box citations for extracted values, so you are not limited to older parse versions when you need spatial references. See [Citations](/extraction/response-format#citations) for how citations appear on extracted fields. * **`citationMode`** — optional; configure in extractor advanced options in Extend Studio or on extractors (`line`, `word`, or `block`) > Ship your document processing with Extend. Get started with our APIs, SDKs, and guides.