Classifiction View in material master --- ALE - AUSP change pointers

Hi all,

I would like to know how I can set up ALE change pointers

on Classifiction View in material master - AUSP?

I am using MATMAS message extended in ZMATMAS I don't know if it's possible to add a change relevant field from object CLASSIF or CLASSIFY to ZMATMAS?

If not How can I processed?

Best regards

Henri