What

A classified ID is used to register different IDs related to a Person. It could be Scopus Author ID, an internal HR ID and so on. By default Pure only allow 1 (this only applies for manually adding IDs on content). However, if there is a need for adding multiple of the same classified ID, this can be granted.

How

1. Go to Administrator > System settings > Classified Source Limitations
2. Fill in the URI related to the ID
   1. The URIs are found in the "Different types of personsources for persons" classification scheme
      1. For Scopus Author IDs it is ‘/dk/atira/pure/person/personsources/scopusauthor’: 
         
3. Result: 
   

More information

KB-102 - On how to get Scopus Author IDs populated. 
KB-137 - How to add an ID on a content type 
Note: Some of this information is for internal use only and might not be accessible.