{
    "$schema": "http://json-schema.org/schema#",
    "$schemaVersion": "0.0.1",
    "$id": "https://smart-data-models.github.io/dataModel.Environment/AeroAllergenObserved/schema.json",
    "title": " - Pollen levels observed schema",
    "description": "An observation of pollen levels at a certain place and time.",
    "type": "object",
    "allOf": [
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/GSMA-Commons"
        },
        {
            "$ref": "https://smart-data-models.github.io/data-models/common-schema.json#/definitions/Location-Commons"
        },
        {
            "properties": {
                "type": {
                    "type": "string",
                    "enum": [
                        "AeroAllergenObserved"
                    ],
                    "description": "Property. NGSI Entity type"
                },
                "dateObserved": {
                    "type": "string",
                    "description": "Property. The date and time of this observation in ISO8601 UTCformat. It can be represented by a specific time instant or by an ISO8601 interval."
                },
                "allergenRisk": {
                    "type": "string",
                    "enum": [
                        "none",
                        "low",
                        "moderate",
                        "high",
                        "veryHigh"
                    ],
                    "description": "Property. Overall allergen risk corresponding to the aero allergens observed."
                },
                "refDevice": {
                    "anyOf": [
                        {
                            "type": "string",
                            "minLength": 1,
                            "maxLength": 256,
                            "pattern": "^[\\w\\-\\.\\{\\}\\$\\+\\*\\[\\]`|~^@!,:\\\\]+$",
                            "description": "Property. Identifier format of any NGSI entity"
                        },
                        {
                            "type": "string",
                            "format": "uri",
                            "description": "Property. Identifier format of any NGSI entity"
                        }
                    ],
                    "description": "Relationship. A reference to the device(s) which captured this observation."
                }
            }
        }
    ],
    "required": [
        "id",
        "type",
        "dateObserved",
        "location"
    ]
}