On the left menu, click "Meetings" and "Agenda templates". Next, click the "New template" button.
Click on "Item type not specified" and select the "Decisions follow up" option. See more in the Manage agenda templates in Boardeaser guide.
When the agenda item has a decision follow-up as the item type, you can save it using the "Save" button. The agenda template is then available to use for meetings. Read more about the use of agenda templates in the guide Create an agenda template alternatively, Decision follow up in agenda/minutes