Check who are all logged into the instance Today in Oracle Apps R12

SELECT   fu.user_name "User Name", papf.full_name "Employee Name",
         NVL (papf.email_address, fu.email_address) "Email Address"
    FROM per_all_people_f papf, fnd_user fu, fnd_logins fl
   WHERE TRUNC (fl.start_time) = TRUNC (SYSDATE)
     AND fu.user_id = fl.user_id
     AND papf.person_id(+) = fu.employee_id
     AND fu.user_name NOT IN ('INTERFACE', 'SYSADMIN', 'GUEST')
GROUP BY fu.user_name,
         papf.full_name,
         NVL (papf.email_address, fu.email_address)
ORDER BY fu.user_name