FPM begginer .Doubt about field missing in NWBC.

Hi experts i'm beginner in FPM.

1-I enter in NWBC and choose Air Forwarding Order Management .

2-Then i open an order and go in  FAST ORDER ENTRY.

3-When i go in Technical help to insert a field , a specific field does not appear ( is the field Goods Value) to be insert in screen.

HOW DO IDO THIS FIELD TO APPEAR LIKE OTHERS?

I OPEN THE FEEDER CLASS PARAMETERS BUT I DON´T KNOW HOW TO CONFIGURE IT TO SOLVE MY PROBLEM .

could you help me ?please.

thanks