Creating BP relationship category in Cross Apps

Hi friends,

Can anyone tell me how to create a new Business partner relationship category in SPRO > Cross apps > SAP BP > Basic Settings

The existing BP relationship categories cant be copied and created with a new one. i want to create foll 2 relationship categories.

ZSUBSC : is distributor for subscriber

ZSUBX    : Subscription distributed by

Or is there any other node in SPRO for the same purpose?

Kindly help at earliest.

Thanks & Best regards.

Rajesh