In practice
In the contract, go to the Financials tab → + Add a transaction → Discount → Next. Choose One-time discount or Recurring discount, fill it in, then click Save.
One-time discount
A discount granted once, for an exceptional reason.
Open the contract, Financials tab, then + Add a transaction.
In New transaction, click Discount, then Next.
Leave One-time discount selected.
Under Amount, enter the discount amount and the VAT rate. You can click Add a new row to enter several; the total excluding and including VAT is displayed automatically.
Enter the Date.
If needed, add a Description (optional, for example "Discount due to works").
Click Save.
Recurring discount
A discount repeated each month over a given period.
At steps 1 and 2 above, then select Recurring discount.
Under Applied to, choose Rent or Provisions for charges.
If needed, add a Discount description (optional).
Under Monthly amount, enter the amount discounted each month.
Fill in the period using From and To (the year buttons help you navigate).
To add another discount at the same time, click Add a new discount.
Click Save.
Editing or deleting a discount
One-time discount: in the Financials tab, Transactions details view, click the three dots on the line, then Modify (or Delete).
Recurring discount: go to the History tab, click the three dots on the discount line, then Modify (or Delete).
Good to know
Over the period concerned, the rent or charges requests are adjusted automatically. In Transactions details, the discount line appears with a negative amount; in the Balance view, the original rent amount appears struck through, with the reduced amount next to it (for example 1 210,00 € struck through → 1 047,86 €).
To offer one or more fully free months (0 €), use the Free rent/charges period option in the New transaction window instead.