Using the Pick List element
The Pick List element allows users to select an option from a predefined item list.
Select Pick List under Element Properties on the left side of the screen. You will see a new element pop up on your device view.
On the right side of the screen under Element Properties, enter the name of your element as well as a description if necessary. To make the information required in order to submit the form, scroll down and select Required under Element Properties.
Select Option List. A pop up screen will appear.
On the left side you can choose to use a previously existing list or create your own list by selecting +Create List from the bottom left corner. Once you have selected a list click Assigned Selected then Close to move the list to your form.
Click the save icon at the top right corner of the page.