{
  "schema": {
    "v3customer": {
      "title": "Customer",
      "description": "json-schema v3 style 'required'",
      "type": "object",
      "required": true,
      "properties": {
        "name": {
          "required": true,
          "title": "Name",
          "type": "string"
        },
        "address": {
          "title": "Address",
          "type": "object",
          "properties": {
            "city": {
              "required": true,
              "title": "City",
              "type": "string"
            },
            "street": {
              "required": true,
              "title": "Street",
              "type": "string"
            },
            "zip": {
              "title": "Zip",
              "type": "string"
            }
          }
        }
      }
    },
    "v4customer": {
      "title": "CustomerV4",
      "description": "json-schema v4 style 'required'",
      "type": "object",
      "properties": {
        "name": {
          "title": "Name",
          "type": "string"
        },
        "address": {
          "title": "Address",
          "type": "object",
          "properties": {
            "city": {
              "title": "City",
              "type": "string"
            },
            "street": {
              "title": "Street",
              "type": "string"
            },
            "zip": {
              "title": "Zip",
              "type": "string"
            }
          },
          "required": [ "street", "city" ]
        }
      },
      "required": [ "name" ]
    }
  }
}