Simply enter an expense with the type “Suppliers / Contractors” in the future period. Finmap will understand everything by itself: it will create a Creditor, and show the amount of such payments at the bottom left in “Future payments”. And by the way, now in one window you can specify both the write-off date and the expense date, that is, in which month this write-off should be taken into account. For example: a debt to the Supplier / Contractor has arisen today, but will be paid next month. In this case you need to indicate the date of debiting (when you will pay) in the next month, and the date of expense itself today.