Personal Data Portability Archive (PDPArchive) format for mail, contacts, calendar, tasks and notes

Added on June 3, 2026 • Managed by Data Transfer Initiative

PDPArchive Calendar Event schema

{
  "$id": "https://id.schemas.pub/o/DTI/PDPArchive/event",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Schema for Personal Data Portability Archive (pdparchive) Calendar Event",
  "description": "A JSCalendar Event object as defined in RFC 8984, extended with the calendarIds property from JMAP for Calendars.",
  "type": "object",
  "required": ["@type", "uid", "updated", "calendarIds"],
  "$defs": {
    "LocalDateTime": {
      "type": "string",
      "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}$",
      "$comment": "ISO 8601 date-time with no UTC offset; interpreted in the timeZone property"
    },
    "participant": {
      "type": "object",
      "properties": {
        "@type": {
          "type": "string",
          "const": "Participant"
        },
        "name": {
          "type": "string"
        },
        "email": {
          "type": "string",
          "format": "email"
        },
        "sendTo": {
          "type": "object",
          "additionalProperties": {
            "type": "string"
          }
        },
        "kind": {
          "type": "string",
          "enum": ["individual", "group", "resource", "location"]
        },
        "roles": {
          "type": "object",
          "minProperties": 1,
          "additionalProperties": {
            "type": "boolean"
          }
        },
        "participationStatus": {
          "type": "string",
          "enum": ["needs-action", "accepted", "declined", "tentative", "delegated"]
        },
        "participationComment": {
          "type": "string"
        },
        "expectReply": {
          "type": "boolean"
        },
        "delegatedTo": {
          "type": "object",
          "additionalProperties": {
            "type": "boolean"
          }
        },
        "delegatedFrom": {
          "type": "object",
          "additionalProperties": {
            "type": "boolean"
          }
        },
        "memberOf": {
          "type": "object",
          "additionalProperties": {
            "type": "boolean"
          }
        }
      }
    },
    "location": {
      "type": "object",
      "properties": {
        "@type": {
          "type": "string",
          "const": "Location"
        },
        "name": {
          "type": "string"
        },
        "description": {
          "type": "string"
        },
        "coordinates": {
          "description": "Geo URI as defined in RFC 5870",
          "type": "string",
          "format": "uri"
        },
        "timeZone": {
          "type": "string"
        },
        "relativeTo": {
          "type": "string",
          "enum": ["start", "end"]
        },
        "links": {
          "type": "object",
          "additionalProperties": {
            "$ref": "https://id.schemas.pub/o/DTI/PDPArchive/link"
          }
        }
      }
    },
    "alert": {
      "type": "object",
      "required": ["@type", "trigger"],
      "properties": {
        "@type": {
          "type": "string",
          "const": "Alert"
        },
        "trigger": {
          "oneOf": [
            {
              "description": "Offset-based trigger relative to event start or end",
              "type": "object",
              "required": ["@type", "offset"],
              "properties": {
                "@type": {
                  "type": "string",
                  "const": "OffsetTrigger"
                },
                "offset": {
                  "description": "ISO 8601 duration (may be negative for before-start alerts)",
                  "type": "string"
                },
                "relativeTo": {
                  "type": "string",
                  "enum": ["start", "end"]
                }
              }
            },
            {
              "description": "Absolute date-time trigger",
              "type": "object",
              "required": ["@type", "when"],
              "properties": {
                "@type": {
                  "type": "string",
                  "const": "AbsoluteTrigger"
                },
                "when": {
                  "type": "string",
                  "format": "date-time"
                }
              }
            }
          ]
        },
        "acknowledged": {
          "type": "string",
          "format": "date-time"
        },
        "action": {
          "type": "string",
          "enum": ["display", "email", "uri"]
        }
      }
    },
    "recurrenceRule": {
      "description": "Recurrence rule as defined in RFC 8984 section 4.3.2",
      "type": "object",
      "required": ["frequency"],
      "properties": {
        "@type": {
          "type": "string",
          "const": "RecurrenceRule"
        },
        "frequency": {
          "type": "string",
          "enum": ["secondly", "minutely", "hourly", "daily", "weekly", "monthly", "yearly"]
        },
        "interval": {
          "type": "integer",
          "minimum": 1
        },
        "rscale": {
          "type": "string"
        },
        "skip": {
          "type": "string",
          "enum": ["omit", "backward", "forward"]
        },
        "firstDayOfWeek": {
          "type": "string",
          "enum": ["mo", "tu", "we", "th", "fr", "sa", "su"]
        },
        "byDay": {
          "type": "array",
          "items": {
            "type": "object",
            "required": ["day"],
            "properties": {
              "@type": { "type": "string", "const": "NDay" },
              "day": {
                "type": "string",
                "enum": ["mo", "tu", "we", "th", "fr", "sa", "su"]
              },
              "nthOfPeriod": {
                "type": "integer"
              }
            }
          }
        },
        "byMonthDay": {
          "type": "array",
          "items": { "type": "integer" }
        },
        "byMonth": {
          "type": "array",
          "items": { "type": "string" }
        },
        "byYearDay": {
          "type": "array",
          "items": { "type": "integer" }
        },
        "byWeekNo": {
          "type": "array",
          "items": { "type": "integer" }
        },
        "byHour": {
          "type": "array",
          "items": { "type": "integer", "minimum": 0, "maximum": 23 }
        },
        "byMinute": {
          "type": "array",
          "items": { "type": "integer", "minimum": 0, "maximum": 59 }
        },
        "bySecond": {
          "type": "array",
          "items": { "type": "integer", "minimum": 0, "maximum": 60 }
        },
        "bySetPosition": {
          "type": "array",
          "items": { "type": "integer" }
        },
        "count": {
          "type": "integer",
          "minimum": 1
        },
        "until": {
          "description": "LocalDateTime giving the last allowed occurrence",
          "$ref": "#/$defs/LocalDateTime"
        }
      }
    }
  },
  "properties": {
    "@type": {
      "type": "string",
      "const": "Event"
    },
    "uid": {
      "description": "Globally unique identifier for this event; stable across recurrences",
      "type": "string"
    },
    "id": {
      "description": "JMAP server-set ID for the event",
      "type": "string"
    },
    "created": {
      "type": "string",
      "format": "date-time"
    },
    "updated": {
      "description": "Last-modified timestamp; MUST be included for synchronization",
      "type": "string",
      "format": "date-time"
    },
    "prodId": {
      "type": "string"
    },
    "sequence": {
      "description": "Monotonically increasing revision counter; SHOULD be included if available",
      "type": "integer",
      "minimum": 0
    },
    "title": {
      "type": "string"
    },
    "description": {
      "type": "string"
    },
    "descriptionContentType": {
      "type": "string"
    },
    "start": {
      "$ref": "#/$defs/LocalDateTime"
    },
    "timeZone": {
      "description": "IANA time zone identifier for the start time",
      "type": "string"
    },
    "duration": {
      "description": "ISO 8601 duration string",
      "type": "string"
    },
    "status": {
      "type": "string",
      "enum": ["confirmed", "cancelled", "tentative"]
    },
    "priority": {
      "type": "integer",
      "minimum": 0,
      "maximum": 9
    },
    "privacy": {
      "type": "string",
      "enum": ["public", "private", "secret"]
    },
    "freeBusyStatus": {
      "type": "string",
      "enum": ["free", "busy"]
    },
    "color": {
      "description": "CSS color value for display purposes",
      "type": "string"
    },
    "calendarIds": {
      "type": "object",
      "minProperties": 1,
      "additionalProperties": {
        "type": "boolean"
      }
    },
    "participants": {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/$defs/participant"
      }
    },
    "locations": {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/$defs/location"
      }
    },
    "virtualLocations": {
      "description": "Maps virtual location IDs to VirtualLocation objects (e.g. video conference links)",
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "@type": { "type": "string", "const": "VirtualLocation" },
          "name": { "type": "string" },
          "description": { "type": "string" },
          "uri": { "type": "string", "format": "uri" }
        }
      }
    },
    "links": {
      "description": "Maps link IDs to Link objects (attachments, references)",
      "type": "object",
      "additionalProperties": {
        "$ref": "https://id.schemas.pub/o/DTI/PDPArchive/link"
      }
    },
    "keywords": {
      "type": "object",
      "additionalProperties": {
        "type": "boolean"
      }
    },
    "categories": {
      "type": "object",
      "additionalProperties": {
        "type": "boolean"
      }
    },
    "alerts": {
      "description": "Maps alert IDs to Alert objects",
      "type": "object",
      "additionalProperties": {
        "$ref": "#/$defs/alert"
      }
    },
    "useDefaultAlerts": {
      "type": "boolean"
    },
    "recurrenceRules": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/recurrenceRule"
      }
    },
    "excludedRecurrenceRules": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/recurrenceRule"
      }
    },
    "recurrenceOverrides": {
      "type": "object",
      "additionalProperties": {
        "type": "object"
      }
    }
  }
}

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