Interface Chat

interface Chat {
    author?: User;
    completedAt?: string;
    completedAtPosix?: number;
    createdAt?: string;
    createdAtPosix?: number;
    externalId?: number;
    id?: number;
    lastMessage?: Message;
    responsible?: User;
    score?: number;
    seenByClient?: boolean;
    source?: string;
    title?: string;
    token?: string;
    updatedAt?: string;
    updatedAtPosix?: number;
}