Sales
The sale lifecycle, coupons, returns with credit notes, cash sessions, and parked carts.
This section covers everything that happens at the counter, from building a cart to closing the cash session.
Selling at the counter
Idempotent sale creation, FEFO deduction, VAT, credit checks, and invoices.
Coupons and discounts
How DEMO10 style coupons validate and apply to a sale.
Returns and credit notes
Looking up an invoice, validating returnable quantities, and restocking.
Sessions and parked carts
Cash sessions, breaks, tender declarations, Z-reports, and parked carts.