In the Users option, you can, as an app adminsitrator choose to create deparment adminstrators for different departments. Choose Create Department Administrator and a box will appears for you to fill in.

Username: Enter a username – for instance the person's email address.

Email: Fill in the email address of the person you want to set as an administrator and then fill in their first and last name.

Select the department in the dropdown. The next step determines whether the person has the power to create event administrators within their own department. To finish press Save. An email is sent to the person who will have to verify the action and create a password.