For a list of users online now:
1) Add attribute to RegularUser BO:
RegularUser.LoggedOnNow (Yes/No type)
2) Add rule to RegularUser BO:
If NMB_OF_SESSIONS(RegularUser)>0 Then
RegularUser.LoggedOnNow='Yes'
ELSE
RegularUser.LoggedOnNow='No
3) Run a process with these rules:
FIND ALL RegularUser
UPDATE RegularUser
DISPLAY 'Users Online Now'
4) Query will have the following FIND:
FIND RegularUser WHERE RegularUser.LoggedOnNow='Yes'