What are the Creating custom codes best practices.
I cannot find in custom codes creation video please.
If you're referring to dimensions created from external source systems, then these source systems normally have codes of their own that you can import into Anaplan.
If you're referring to transactional data that you plan to import into Data Hub, then you can refer to
Pls pay attention to the highlighted section below
If you have other scenarios of which you need custom codes, then please describe the scenario in detail.