ByD's standard Liquidity Forecast Report displays realized cash inflows and outflows, as well as forecasted payments and collections expected in the short and medium term. These forecasts mainly come from outstanding customer and supplier invoices, employee expenses pending to be reimbursed and tax returns to be paid; but it does NOT reflect Sales and Purchasing forecasts.
As a result of this, I often find customers who tell me they don't see the complete picture in SAP Business ByDesign and therefore end up tracking Cash Flow outside the system, through an Excel spreadsheet.