{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "$anchor": "cdm.base.datetime",
  "type": "object",
  "title": "Frequency",
  "description": "A class for defining a date frequency, e.g. one day, three months, through the combination of an integer value and a standardized period value that is specified as part of an enumeration.",
  "properties": {
    "periodMultiplier": {
      "description": "A time period multiplier, e.g. 1, 2, or 3. If the period value is T (Term) then period multiplier must contain the value 1.",
      "type": "integer"
    },
    "period": {
      "description": "A time period, e.g. a day, week, month, year or term of the stream.",
      "$ref": "cdm-base-datetime-PeriodExtendedEnum.schema.json"
    }
  },
  "required": [
    "periodMultiplier",
    "period"
  ]
}