Click on the pink plus button and you can choose for create recurring transaction.
By recurrence you can choose repeat monthly or yearly.
Everything is already included in the statistics up to 4 years in the future. This way, you can always look ahead and plan your budget.
The next repetition that has not yet been paid is always visible. This way, you avoid forgetting to make a payment. As soon as you mark a document as paid, the next one in the series becomes visible.
It is perfectly possible to enter a different amount, or to remove a single repetition. This without affecting the future repetitions in the series.
You can modify a recurring transaction:
To modify this and all future transactions in this sequence: click on the repeating transaction, choose this and all future.
To modify only this transaction (for example mark as paid, add a document...), to this transaction only, click on the transaction and choose this occurrence only and modify it. As soon as you do so, the next occurrence in the series will become available.