This Script will prompt for user name and employee name.
DECLARE
v_session_id INTEGER := USERENV ('sessionid');
v_user_name VARCHAR2 (30) := UPPER ('&User_Name');
v_employee_name per_all_people_f.full_name%TYPE := '&employee_name';
v_employee_id NUMBER;
v_email_address per_all_people_f.email_address%TYPE;
BEGIN