{
    "additionalProperties": false,
    "description": "A user_engagement GA4 event.",
    "properties": {
        "engagement_time_msec": {
            "description": "The time in milliseconds that the user is engaged.",
            "minimum": 0,
            "type": [
                "integer",
                "null"
            ]
        }
    },
    "self": {
        "format": "jsonschema",
        "name": "user_engagement",
        "vendor": "com.google.ga4",
        "version": "1-0-0"
    },
    "type": "object"
}