type: map
required: true
mapping:
  "name":
    type: str
    required: true
    length: { max: 128 }
  "url":
    type: str
    required: true
    length: { max: 256 }
  "version":
    type: str
    length: { max: 10 }
  "contact":
    type: str
    length: { max: 80 }
    pattern: /@/
  "public":
    type: str
    enum: ["yes", "no", "true", "false"]
  "syncable":
    type: str
    enum: ["yes", "no", "true", "false"]
  "dataVersion":
    type: str
    length: { max: 10 }
  "guid":
    type: str
    length: { max: 256 }
  "description":
    type: "str"
    required: true
    length: { max: 65536 }
  "basic_description":
    type: "str"
    required: true
  "backgroundImageURL":
    type: str
    length: { max: 256 }
  "navbarImageURL":
    type: str
    length: { max: 256 }
  "hashtag": &hashtag
    type: str
    length: { max: 40 }
  "location": &location
    type: map
    mapping:
      "address1":
        type: str
        length: { max: 80 }
      "address2":
        type: str
        length: { max: 80 }
      "city":
        type: str
        length: { max: 80 }
      "region":
        type: str
        length: { max: 40 }
      "country":
        type: str
        length: { max: 40 }
      "postalCode":
        type: str
        length: { max: 20 }
      "url":
        type: str
        length: { max: 256 }
  "venues":
    type: seq
    required: true
    sequence:
      - type: map
        mapping:
          "venue":
            type: str
            required: true
            length: { max: 256 }
          "description":
            type: str
            required: true
            length: { max: 65536 }
          "location": *location
          "phoneNumber":
            type: str
            length: { max: 20 }
          "backgroundImageURL":
            type: str
            length: { max: 256 }
          "sessions":
            type: seq
            sequence:
                - type: map
                  mapping:
                    "title":
                      type: str
                      required: true
                      length: { max: 128 }
                    "startTime":
                      type: str
                      required: true
                      pattern: /(^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$|^$)/
                    "endTime": 
                      type: str
                      pattern: /(^\d{4}-\d{2}-\d{2} \d{2}:\d{2}$|^$)/
                    "category":
                      type: str
                      length: { max: 80 }
                    "speaker":
                      type: str
                      length: { max: 80 }
                    "description":
                      type: str
                      required: true
                      length: { max: 65536 }
                    "hashtag": *hashtag
                    "audios":
                      type: seq
                      sequence: 
                        - type: str
                          length: { max: 256 }
                    "images":
                      type: seq
                      sequence: 
                        - type: str
                          length: { max: 256 }
                    "videos":
                      type: seq
                      sequence: 
                        - type: str
                          length: { max: 256 }