SAP S/4 HANA Public Cloud / Self-Service Procurement - Create Internal Catalog

Hello Experts,
iam caller to the Topic of Self-Service Procurement and one wanted to inquire if it is imaginable to make an interior catalog for procurement successful a S/4 Public Cloud System ? I person seen the options to integrate outer catalogs, but lone recovered accusation astir interior catalogs successful this Blog (S/4HANA Self-Service Requisitioning - Internal Pro... - SAP Community) which is often referenced successful different posts. In this Blog determination is besides a notation to the "S4HANA_SSP_Config_CookbookV6" but one was not capable to find this papers oregon immoderate different adjuvant information. I would admit immoderate assistance oregon further accusation connected this topic.

Best Regards 

Lukas