{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "LogContext",
    "type": "object",
    "additionalProperties": false,
    "description": "Log Context Schema",
    "properties": {
        "log_id": {
            "type": "string",
            "description": "UUID of the record"
        },
        "utc_timestamp": {
            "type": "integer",
            "description": "UTC timestamp in milliseconds for event"
        },
        "log_version": {
            "$ref": "/resources/schema/analytics/service/eventhub/v1/type/LogVersionType.json",
            "description": "Version of the logging spec.  This one is v1"
        },
        "trace_id": {
            "type": "string",
            "description": "ID used for tracing log upstream and downstream. When triggering a subsequent job, this trace_id can be carried forward. By using trace_id, we can link all jobs that originate from the same source."
        },
        "service_name": {
            "type": "string",
            "description": "Name of service sending data"
        },
        "device_id": {
            "type": "string",
            "description": "Unique id for device"
        },
        "user_id": {
            "type": "string",
            "description": "Unique id for user"
        }
    },
    "required": [
        "log_id",
        "utc_timestamp",
        "log_version",
        "trace_id",
        "service_name"
    ]
}