Find invoices, credit notes, sell-side debit notes, quotes, delivery orders, bills, buy-side debit notes and purchase orders by any combination of: doc number (partial), party (customer/vendor) name (partial), date range, amount range, and doc type. Returns compact rows (docId, type, number, date, party, total, status), newest first, capped — with a `more` flag when there are further matches to narrow down. Invoices, credit notes, bills and quotes also report whether their ORIGINAL document (a scan or upload) is on file: `hasAttachment` plus an `attachments` list you can fetch with get_attachment. Delivery orders and purchase orders omit that field because they cannot carry an original. INVOICES, CREDIT NOTES and SELL-SIDE DEBIT NOTES (`sales_debit_note` — additional charges this business added to an invoice it issued; not to be confused with `debit_note`, the buy-side one raised against a supplier bill) also carry an `einvoice` field — this business's MyInvois posture for that document AS RECORDED IN TAOKEH: `validated` (a MyInvois validation is recorded here, with uuid + validatedAt), `consolidated` (covered by a consolidated e-invoice, which holds the uuid — the individual document has none by design), `platform` (a marketplace sale: Shopee/TikTok Shop/Lazada issues the e-invoice, nothing for this business to submit), `exported` (put into a MyInvois batch export from Taokeh, nothing recorded back yet) or `none`. Taokeh CANNOT see the MyInvois portal, so say "no validation recorded in Taokeh" — never "never submitted to LHDN". Bills and buy-side debit notes omit the field. Use the `docId` with get_attachment (the SOURCE document someone filed) or get_document_pdf (the PDF Taokeh generates).