The option to create surveys for your events is available from the Pro subscription onwards.
However, you can also add this feature to the Basic subscription for an additional charge.
You can find more information on the corresponding feature on this page. You can add the feature to your subscription at an extra charge in the Feature Shop.
As soon as the feature has been activated, you will find the section “Public polls” in the "Settings" tab of your events, as well as a completely new menu item in your menu bar: “Polls”.
You can find an example of what a survey created with guestoo can look like here: Example survey