{
  "type": "Barcode",
  "subClassOf":"#ImageObject",
  "derivedFrom": "https://schema.org/Barcode",
  "hasId": false,
  "requiredFields":[
    "type"
  ],
  "inSpec": [
    "type",
    "thumbnail",
    "text",
    "url",
    "contentUrl",
    "embedUrl",
    "width",
    "height"
  ],
  "fields": {
    "type": {
      "fieldName": "type",
      "requiredType": "https://schema.org/Text",
      "requiredContent": "Barcode"
    },
    "text": {
      "fieldName": "text",
      "sameAs": "https://schema.org/text",
      "requiredType": "https://schema.org/Text",
      "example": "0123456789",
      "description": [
        "The barcode number"
      ]
    },
    "url": {
      "fieldName": "url",
      "sameAs": "https://schema.org/url",
      "requiredType": "https://schema.org/URL",
      "example": "https://fallback.image.example.com/476ac24c694da79c5e33731ebbb5f1",
      "description": [
        "A fallback rendered barcode image url in addition to the raw barcode details."
      ]
    }
  }
}