Adding Field into output access for output condition

Hiya

We are trying to add a field in the acces seq of condition type in invoice...

The field is Wearks, since id is not available we nee to append the communication structure, i guess KOMKBV3

Can you pleaes advice where can we move the wearks to KOMKBV3

have been fighting it out... please help...

Regards

RJ