To enable feedback in a test, an end point must be inserted. A hotspot can be inserted or you can use timer. It can also be a combination.
Different between Hotspot and Timer
And a green hotspot is automatically added to your screen. Clicking the hotspot will terminate the test and ask the test participant for feedback. Insert as many endpoints as you what.
Use a timer to end the task after a set time. The task will automatically stop the task.
The test person lands on the last page of a purchase flow that marks the end of the task. Here it makes sense both to insert a hotspot and use timer to ensure that feedback is activated.
And a green hotspot is automatically added to your screen.
Insert as many endpoints in your prototype as you what!