The list of users can be filtered based on the term entered here.
The selection functions lexicographically
meaning when, for example, the letter A is entered,
only the users whose name begins with A will be
listed. Typing in more letters will restrict the list further.
Filter buttons
With these the buttons, the list can be restricted to the various
object classes
from the User Manager. Depending on which dialog is open, some filters
may not be available.
Roles
Distribution lists
User groups
Users
Other set types
All other appropriate types
If you would like to select more than one member, click on each of them
while holding down the CRTL key.