CREATE FUNCTION Security.fn_securitypredicate(@ParentEmployeeKey AS INT)
        RETURNS TABLE
        WITH SCHEMABINDING
    AS RETURN SELECT 1 AS fn_securitypredicate_result
        WHERE @ParentEmployeeKey = (SELECT EmployeeKey
            FROM dbo.DimMgr WHERE LoginID = Session_Context(N'user_id'));
--                                  Note Session_Context(N'user_id')