{
    "errorMessage": {
        "uniqueItemProperties": "should NOT contain objects with the same zoneId"
    },
    "items": {
        "additionalProperties": false,
        "properties": {
            "offeringId": {
                "type": "string"
            },
            "zoneId": {
                "type": "string"
            }
        },
        "required": [
            "zoneId",
            "offeringId"
        ],
        "type": "object"
    },
    "type": "array",
    "uniqueItemProperties": [
        "zoneId"
    ]
}