---
title: Reference
description: Exhaustive reference for Prologue's configuration, capture sources, Receiver API, and extraction result shape.
---


- **[Configuration](/prologue/reference/configuration/)** — every `cratis-prologue.json` property, its default, and the environment-variable override name.
- **[Capture sources](/prologue/reference/capture-sources/)** — what each capture source watches and the config properties specific to it.
- **[Receiver API](/prologue/reference/receiver/)** — the two HTTP endpoints and how captures are stored.
- **[Extraction result](/prologue/reference/extraction-result/)** — the exact shape of `extraction-result.json` and the generated Screenplay.
- **[Troubleshooting and FAQ](/prologue/reference/faq/)** — common problems and their causes.