{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": true,
  "properties": {
    "_slug": {
      "description": "Entry identifier (URL slug / filename without extension)",
      "type": "string"
    },
    "seoDescription": {
      "description": "Meta description for search engines",
      "maxLength": 160,
      "type": "string"
    },
    "seoMetaRobots": {
      "default": "index, follow",
      "description": "Robots meta directive",
      "enum": [
        "index, follow",
        "noindex, follow",
        "index, nofollow",
        "noindex, nofollow"
      ],
      "type": "string"
    },
    "seoTitle": {
      "description": "SEO page title",
      "type": "string"
    }
  },
  "required": [
    "_slug",
    "seoTitle"
  ],
  "type": "object"
}