mdx hierarchy return parent and child in query -

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i have following query

with    member [measures].[period key]      axis(1).item(1).item(1).hierarchy.currentmember.uniquename    member [measures].[year key]      [dim date].[year].currentmember.uniquename  select    {     [measures].[valuation]    ,[measures].[period key]    ,[measures].[year key]   } on 0  ,(     [dim date].[hierarchy].[quarter].allmembers    ,[dim platform].[platform key].allmembers   ) on 1 [cube];

i want year key return uniquename in hierarchy instead, want use in parameter. in form cause errors field definition expecting result in hierarchy form. possible?

assuming hierarchy year-semester-quarter-month-date, how using

[dim date].[hierarchy].currentmember.parent.parent.uniquename

if have year-quarter-month-date in place, 

[dim date].[hierarchy].currentmember.parent.uniquename

what doing it's looking @ current quarter , returning it's corresponding year going in hierarchy tree using .parent function.


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