{
    "jsonSchema": {
        "title": "Date and time widgets",
        "type": "object",
        "properties": {
          "native": {
            "title": "Native",
            "description": "May not work on some browsers, notably Firefox Desktop and IE.",
            "type": "object",
            "properties": {
              "datetime": {
                "type": "string",
                "format": "date-time"
              },
              "date": {
                "type": "string",
                "format": "date"
              }
            }
          },
          "alternative": {
            "title": "Alternative",
            "description": "These work on most platforms.",
            "type": "object",
            "properties": {
              "alt-datetime": {
                "type": "string",
                "format": "date-time"
              },
              "alt-date": {
                "type": "string",
                "format": "date"
              }
            }
          }
        }
      },
      "uiSchema": {
        "alternative": {
          "alt-datetime": {
            "ui:widget": "alt-datetime",
            "ui:options": {
              "yearsRange": [
                1980,
                2030
              ]
            }
          },
          "alt-date": {
            "ui:widget": "alt-date",
            "ui:options": {
              "yearsRange": [
                1980,
                2030
              ]
            }
          }
        }
      },
      "formData": {
        "native": {},
        "alternative": {}
      }
}