Setting it up
Under Campaign Page Settings, you will find the section "Add a Challenge". Enter a suitable Title and elaborate more about the challenge in the Description box.
Hit on "Publish" and "Save Changes". The challenge will now be visible on your campaign page.
Use the three-bar icon on the left of the challenge to re-order.
Don't forget to hit Save!
Mark a challenge complete
Turn ON the toggle "Mark challenge as completed?" to mark it as "Completed"