export interface Payload {
    user_identifiers: {
        anonymousId?: string;
        userId?: string;
        email?: string;
        optimizely_vuid?: string;
        fs_user_id?: string;
        web_user_id?: string;
    };
    event_type?: string;
    event_action: string;
    products?: {
        product_id?: string;
        qty?: number;
    }[];
    order_id?: string;
    total?: string;
    timestamp: string;
    enable_batching?: boolean;
    batch_size?: number;
}
