json_schema: {
    "$schema": "http://json-schema.org/draft-04/schema#",
    "@type": "ContactPoint",
    "@context": "http://schema.org/",
    "description": "Schema.org ContactPoint",
    "type": "object",
    "definitions": {
      "Thing": {
        "@type": "Thing",
        "type": "object",
        "properties": {
          "additionalType": {
            "description": "An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.",
            "type": "string",
            "_format": "uri"
          },
          "description": {
            "description": "A short description of the item.",
            "type": "string"
          },
          "image": {
            "description": "URL of an image of the item.",
            "type": "string",
            "_format": "uri"
          },
          "name": {
            "description": "The name of the item.",
            "type": "string"
          },
          "url": {
            "description": "URL of the item.",
            "type": "string",
            "_format": "uri"
          }
        }
      },
      "ContactPoint": {
        "@type": "ContactPoint",
        "type": "object",
        "properties": {
          "contactType": {
            "description": "A person or organization can have different contact points, for different purposes. For example, a sales contact point, a PR contact point and so on. This property is used to specify the kind of contact point.",
            "type": "string"
          },
          "email": {
            "description": "Email address.",
            "type": "string"
          },
          "faxNumber": {
            "description": "The fax number.",
            "type": "string"
          },
          "telephone": {
            "description": "The telephone number.",
            "type": "string"
          }
        }
      }
    },
    "allOf": [
      {
        "$ref": "#/definitions/Thing"
      },
      {
        "$ref": "#/definitions/ContactPoint"
      }
    ]
  }
  