1. On the event page, tap the "People" tab.
2. Tap the Plus button.
3. You can select to add people as Attendees, Organizers or Viewers.
4. Search for people by typing their name.
5. Tap a person to add them to the list.
6. Tap the Minus button to remove a person from the list.
7. Tap the "Done" button to invite the people to your event.
8. Everyone that you invited will be displayed in the Attendees list, Organizers list or Viewers list, depending on what you invited them as.
*Note: People with locked accounts can be added to events but people with inactive accounts cannot.