Set a different final date

  1. Open the event
  2. Click 'Change event picked' (bottom right of the cover picture)
  3. Deselect the final date(s) by clicking the green 'pin' button (which will turn grey) and select the to be set final date(s) by clicking the grey 'pin' button (which will turn green).
  4. Click 'Next' and then 'Finalize'. Participants will be automatically notified of the new final date(s). 

Go to 'My events' (account necessary)