Interface ChatVisitor

interface ChatVisitor {
    avatar_url: string | null;
    browser: string | null;
    channel: ChatChannel;
    city: string | null;
    country: string | null;
    current_title: string | null;
    current_url: string | null;
    custom_data: Record<string, unknown>;
    customer_id: string | null;
    device: string | null;
    email: string | null;
    external_id: string | null;
    first_seen_at: string;
    id: string;
    identified_at: string | null;
    last_seen_at: string;
    locale: string | null;
    name: string | null;
    online?: boolean;
    os: string | null;
    phone: string | null;
    referrer: string | null;
    site_id: string;
    utm: Record<string, string>;
    visits: number;
}