If you want participants to add items in one or several lists, you need to enable the permissions in the relevant step:

  1. Open the step sidebar,
  2. Edit the step in which the lists will be used,
  3. Scroll down to the list section
  4. Check/allow the permission Add items in list
  5. Select the lists you’d like to make available - if there are none, click on manage lists to create lists
  6. Do not forget to Save your changes!