{
  "name": "time",
  "label": "ISO-8601 Date/Time value",
  "concept": "Census API Date/Time Specification",
  "required": "true",
  "predicateType": "datetime",
  "group": "N/A",
  "limit": 0,
  "predicateOnly": true,
  "datetime": {
    "year": true
  }
}