content: {
    "$id": "https://schemas.wmo.int/wis2/broker/message/4.0.0/schema.yml",
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "allOf": [
      {
        "properties": {
          "geometry": {
            "oneOf": [
              {
                "$ref": "#/definitions/PointOrPolygon/oneOf/0"
              },
              {
                "properties": {
                  "coordinates": {
                    "items": {
                      "items": {
                        "type": "number"
                      },
                      "minItems": 2,
                      "type": "array"
                    },
                    "type": "array"
                  },
                  "type": {
                    "enum": [
                      "MultiPoint"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "coordinates"
                ],
                "type": "object"
              },
              {
                "properties": {
                  "coordinates": {
                    "items": {
                      "items": {
                        "type": "number"
                      },
                      "minItems": 2,
                      "type": "array"
                    },
                    "minItems": 2,
                    "type": "array"
                  },
                  "type": {
                    "enum": [
                      "LineString"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "coordinates"
                ],
                "type": "object"
              },
              {
                "properties": {
                  "coordinates": {
                    "items": {
                      "items": {
                        "items": {
                          "type": "number"
                        },
                        "minItems": 2,
                        "type": "array"
                      },
                      "minItems": 2,
                      "type": "array"
                    },
                    "type": "array"
                  },
                  "type": {
                    "enum": [
                      "MultiLineString"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "coordinates"
                ],
                "type": "object"
              },
              {
                "$ref": "#/definitions/PointOrPolygon/oneOf/1"
              },
              {
                "properties": {
                  "coordinates": {
                    "items": {
                      "items": {
                        "items": {
                          "items": {
                            "type": "number"
                          },
                          "minItems": 2,
                          "type": "array"
                        },
                        "minItems": 4,
                        "type": "array"
                      },
                      "type": "array"
                    },
                    "type": "array"
                  },
                  "type": {
                    "enum": [
                      "MultiPolygon"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "coordinates"
                ],
                "type": "object"
              },
              {
                "properties": {
                  "geometries": {
                    "items": {
                      "$ref": "#/allOf/0/properties/geometry"
                    },
                    "type": "array"
                  },
                  "type": {
                    "enum": [
                      "GeometryCollection"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "geometries"
                ],
                "type": "object"
              }
            ]
          },
          "id": {
            "oneOf": [
              {
                "type": "string"
              },
              {
                "type": "integer"
              }
            ]
          },
          "links": {
            "items": {
              "properties": {
                "href": {
                  "example": "http://data.example.com/buildings/123",
                  "type": "string"
                },
                "hreflang": {
                  "example": "en",
                  "type": "string"
                },
                "length": {
                  "type": "integer"
                },
                "rel": {
                  "example": "alternate",
                  "type": "string"
                },
                "title": {
                  "example": "Trierer Strasse 70, 53115 Bonn",
                  "type": "string"
                },
                "type": {
                  "example": "application/geo+json",
                  "type": "string"
                }
              },
              "required": [
                "href",
                "rel"
              ],
              "type": "object"
            },
            "type": "array"
          },
          "properties": {
            "nullable": true,
            "type": "object"
          },
          "type": {
            "enum": [
              "Feature"
            ],
            "type": "string"
          }
        },
        "required": [
          "type",
          "geometry",
          "properties"
        ],
        "type": "object"
      }
    ],
    "definitions": {
      "PointOrPolygon": {
        "oneOf": [
          {
            "properties": {
              "coordinates": {
                "items": {
                  "type": "number"
                },
                "minItems": 2,
                "type": "array"
              },
              "type": {
                "enum": [
                  "Point"
                ],
                "type": "string"
              }
            },
            "required": [
              "type",
              "coordinates"
            ],
            "type": "object"
          },
          {
            "properties": {
              "coordinates": {
                "items": {
                  "items": {
                    "items": {
                      "type": "number"
                    },
                    "minItems": 2,
                    "type": "array"
                  },
                  "minItems": 4,
                  "type": "array"
                },
                "type": "array"
              },
              "type": {
                "enum": [
                  "Polygon"
                ],
                "type": "string"
              }
            },
            "required": [
              "type",
              "coordinates"
            ],
            "type": "object"
          }
        ]
      }
    },
    "description": "WMO WIS 2.0 broker data notification schema",
    "properties": {
      "geometry": {
        "$ref": "#/definitions/PointOrPolygon",
        "examples": [
          {
            "coordinates": [
              6.146255135536194,
              46.223296618227444
            ],
            "type": "Point"
          },
          null
        ],
        "nullable": true
      },
      "id": {
        "description": "Unique identifier for the data notification.",
        "examples": [
          "31e9d66a-cd83-4174-9429-b932f1abe1be"
        ],
        "format": "uuid",
        "type": "string"
      },
      "properties": {
        "properties": {
          "content": {
            "description": "Used to embed small instances/products inline within the notification.",
            "properties": {
              "encoding": {
                "description": "Encoding of content. Note that if gzip compression is used the result is base64 encoded too.",
                "enum": [
                  "utf-8",
                  "base64",
                  "gzip"
                ],
                "type": "string"
              },
              "value": {
                "description": "The inlined content of the file.",
                "examples": [
                  "Hello World!"
                ],
                "type": "string"
              }
            },
            "required": [
              "encoding",
              "value"
            ],
            "type": "object"
          },
          "data_end_datetime": {
            "description": "TBD, Identifies the end date/time date of the data being published, in ISO8601/RFC3339 format.",
            "format": "date-time",
            "type": "string"
          },
          "data_start_datetime": {
            "description": "TBD, Identifies the start date/time date of the data being published, in ISO8601/RFC3339 format.",
            "format": "date-time",
            "type": "string"
          },
          "hierarchy": {
            "description": "WIS 2.0 data hierarchical category identifier.",
            "examples": [
              "EUE/eumetsat_darmstadt/observation/global/",
              "CAN/eccc-msc/data/core/weather/surface-based-obs/landFixed"
            ],
            "type": "string"
          },
          "instance_datetime": {
            "description": "TBD, Identifies the date/time that characterises the data instance being published, \ne.g. observation time, model run, etc. - typically rounded to a multiple of data production interval. ISO8601/RFC3339 format.",
            "examples": [
              "20220427T063000Z",
              "2022-04-27T06:30:00Z"
            ],
            "format": "date-time",
            "type": "string"
          },
          "instance_identifier": {
            "description": "Indentifier of the current instance (of the instance whose availability this notification anounces). \nCan be a file name or some other, preferably unique, identifier.",
            "examples": [
              "gfs.t00z.pgrb2.0p25.f003",
              "A_IEDX02EUMP270634_C_EDZW_20220427072332_84196486.bufr",
              "d64b8d25-4fd0-42b2-91b3-ba29f215fbfc"
            ],
            "title": "Identifier of the data instance",
            "type": "string"
          },
          "integrity": {
            "description": "Specifies a way to verify integrity and/or uniqueness of the data instance.",
            "properties": {
              "method": {
                "description": "A specific set of methods for calculating the checksum algorithms:\n* ``sha512``: the Secure Hash Algorithm 512 bits, value is base64 encoded.\n* ``arbitrary``: an arbitrary string is used to identify the value.\n* ``md5``: the Message Digest 5 hash (obsolete, perhaps will be rejected)\n",
                "enum": [
                  "sha256",
                  "sha512",
                  "md5",
                  "remove",
                  "link",
                  "cod",
                  "arbitrary",
                  "md5name",
                  "random"
                ],
                "type": "string"
              },
              "value": {
                "description": "Base 64 encoded checksum or digital signature",
                "examples": [
                  "N2Y4M2IxNjU3ZmYxZmM1M2I5MmRjMTgxNDhhMWQ2NWRmYzJkNGIxZmEzZDY3NzI4NGFkZGQyMDAxMjZkOTA2OSAqYWEuanNvbgo="
                ],
                "type": "string"
              }
            },
            "required": [
              "method",
              "value"
            ],
            "type": "object"
          },
          "publication_datetime": {
            "description": "Identifies the date/time of when the notification was posted/published, in ISO8601/RFC3339 format.\n\nThe publication date/time is critical for subscribers to prevent message loss by knowing\ntheir lag (how far behind the publisher they are).\n",
            "examples": [
              "20220427T072332.314854383Z",
              "2022-04-27T07:23:32.314854383Z"
            ],
            "format": "date-time",
            "type": "string"
          },
          "size": {
            "description": "Size of the data instance in bytes/octets, if known.",
            "examples": [
              12345
            ],
            "type": "integer"
          }
        },
        "required": [
          "publication_datetime",
          "integrity",
          "hierarchy"
        ],
        "type": "object"
      },
      "version": {
        "const": "4.0.0",
        "description": "Version of the data notification specification format.",
        "type": "string"
      }
    },
    "required": [
      "id",
      "type",
      "geometry",
      "properties",
      "links"
    ],
    "title": "WMO WIS 2.0 broker data notification schema",
    "type": "object"
  }