How to make private areas and specific access for specific customers within one project

[Svetlana Razumnaya]

How to make private areas and specific access for specific customers within one project on Jira Service Desk (using Jira Cloud) in order to provide specific information (like software release, some documentation etc) on the Help Center Portal.

[Nic Brough -Adaptavist-]

The help centre portal does not have this functionality.  All customers with access to a portal can see all of it.