How to Map the Custom fields from PIM to SPIM

Summary:

How to Map the Custom fields from PIM to SPIM, There are custom fields that are requires to be mapped from PIM to SPIM

Content (please ensure you mask any confidential information):

We require the custom fields which are created in the PIM to be available in SPIM.

Version (include the version you are using, if applicable):

25B

Code Snippet (add any code snippets that support your topic, if applicable):

Not Applicable