How to add a new filed DISTZ in a new condition table in pricing shipment cost

[MaDo]

Hello experts.

I want to add the distance filed in a new condition table in pricing shipment cost but after adding this filed in filed catalog it is not founding when I was traying to create a new condition table with this field.

Is there any step missing can I do to create a new condition table with this filed?

[Yossa_PG]

Please add DISTZ to table KOMG.