Get your form or quiz in Forms Create form > share > copy link Find your video in Stream In the Interactivity tab, select +Add Form. Paste in the link you copied from Forms. Add your link Paste in the link you copied from Forms and give your form or quiz a name. You get to choose exactly when in the video your viewers see the form or quiz. Use the timeline slider on the video to choose the time. The time you choose will be reflected under Position on timeline. Watch a video