Read-write property

Public Property HideFilter( _
   ByVal FilterType As String _
) As String

The data hide filter defines what data is visible for a specific group of users.
For example, if you set the HideFilter to be "BG_BUG_ID=1" for filter type "BUG", then only users belonging to the Viewer group will only be able to get the defect with Id=1. 

ICustomizationUsersGroup3 Interface  | ICustomizationUsersGroup3 Members