PSSecurityCategory structure
Office 2013 and later
Specifies the built-in security categories in Project Server.
Namespace: Microsoft.Office.Project.Server.Library
Assembly: Microsoft.Office.Project.Server.Library (in Microsoft.Office.Project.Server.Library.dll)
The Manage Categories page in Project Web App (http://ServerName/ProjectServerName/_layouts/pwa/Admin/ManageCategories.aspx) shows the available security categories. The Manage Categories page includes the default security categories available for the Project Server installation and can also include custom categories.
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