DEMO ARCBeat 3 of 6 · Schema editor (add field live)
All screens
Judge asks "can you also extract po_number?" We add one row in the schema. The next extraction picks it up. Zero retraining. Try it on Nanonets.

Schema editor

What the AI tries to extract. Field descriptions go directly into the LLM prompt — wording matters.

Header fields

6 fields
Field nameDescription (sent to LLM)Type

Line item columns (Table 1)

5 columns
Drag rows to reorder
Column nameDescriptionType

AI Guidelines

Plain-English rules injected into the LLM prompt. Power feature — no code needed.

Guidelines apply to the active extractor.