{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "images",
  "title": "images",
  "description": "Base images definitions",
  "definitions": {
    "image": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "purpose": {
          "type": "string",
          "enum": ["image", "profile_image", "icon"],
          "default": "image"
        },
        "ref": {
          "type": ["string", "null"],
          "maxLength": 2000
        }
      }
    }
  }
}