[
    {
        "name": "party_id",
        "type": "STRING",
        "mode": "REQUIRED",
        "description": "MANDATORY: Unique party ID string. This should be a pseudo-ID or an internal customer ID, instead of an externally facing customer ID. Do not include externally used SPII here. For example, don't use SSN, credit card number, or customer-visible account number. It should match that used in the 'Party' table of the dataset."
    },
    {
        "name": "party_size",
        "type": "STRING",
        "mode": "REQUIRED",
        "description": "MANDATORY: Used for commercial parties only. Accepted values are 'LARGE' and 'SMALL'. Represents the size of the party. Set to null for non-commercial parties."
    }
]