Key Application - Pasundan 3 Bandung High School is an application intended for all Pasundan 3 Bandung High School Academics, starting from the Principal, Teaching Staff, Non-Educating Staff, Students & Students' Parents/Guardians. This facility is used for all activities related to SMA Pasundan 3 Bandung, such as KBM, Attendance, Assessment, Application for Permits, Infrastructure, Administration, etc. So it makes it very easy for all groups to carry out their activities. This application is an effort to move towards the 4.0 era, one of which is digitalization and minimizing the use of paper in the future.