---
id: headline.json
"$schema": "http://json-schema.org/draft-04/schema"
title: HTML Headline
description: "An HTML headline with measurement data like extracted text
  and its length in characters"
type:
- object
properties:
  type:
    description: Block type
    example: "h1"
    type: string
    enum:
      - headline
      - h1
      - h2
      - h3
      - h4
      - h5
      - h6
  html:
    description: HTML content of the block
    example: "<h1>Hello, world!</h1>"
    type: string
    minLength: 7
  text:
    description: Extracted text
    example: "This is a headline"
    type: string
  length:
    description: Length of extracted text
    example: 18
    type: integer
required: [html]