{
    "additionalProperties": false,
    "description": "Schema for a Google Analytics enhanced e-commerce product impression custom metric entity",
    "properties": {
        "customMetricIndex": {
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
        },
        "listIndex": {
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
        },
        "productIndex": {
            "maximum": 200,
            "minimum": 1,
            "type": "integer"
        },
        "value": {
            "type": [
                "integer",
                "null"
            ]
        }
    },
    "self": {
        "format": "jsonschema",
        "name": "product_impression_custom_metric",
        "vendor": "com.google.analytics.measurement-protocol",
        "version": "1-0-0"
    },
    "type": "object"
}