Assigning IDs using a leading constant is more suitable in Items register than in Subjects register!
Assuming that subjects will be entered in the Subjects register using a 10-digit consecutive number and string CUS as constant. Enter required data in Program Parameters | Subjects | General in Administration Panel:
Click
to create a new entry in the Subjects register. You will see displayed three question marks:
Having saved the record (by pressing
or entering of the next record), it will be assigned the next available consecutive number:
