Interface Envelope

interface Envelope {
    acct_date?: DateContainer;
    advance?: number;
    approved?: DateContainer;
    approver?: string;
    attachmentid?: string[];
    balance?: number;
    created: DateContainer;
    currency?: string;
    currency_exchange_intolerance?: "0" | "1";
    customerid?: string;
    date: DateContainer;
    date_end?: DateContainer;
    date_start?: DateContainer;
    description?: string;
    exported?: string;
    externalid?: string;
    id: string;
    is_overlapping?: "0" | "1";
    isAccounting?: "0" | "1";
    isAdjusting?: "0" | "1";
    name: string;
    notes?: string;
    number?: string;
    projectid?: string;
    status?: "S" | "A" | "R" | "O";
    submitted?: DateContainer;
    tax_locationid?: string;
    thin_client_id?: string;
    total?: number;
    total_to_reimburse?: number;
    totreiumbruse: string;
    tottickets?: number;
    trip_reason?: string;
    updated: DateContainer;
    userid?: string;
}