mdx - How can I get MIN and MAX values for dimension members in a set that uses NON EMPTY -

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i have problem need high , low values set dimension members (not measures) specific intersection (one customer , time period). need reference these report parameters downstream. can find examples pulling min , max measures. need actual dimension values.

any ideas?

assuming key0 numerical value, : 

select    topcount( [rent range].[rent range floor].members, 1, [rent range].[rent range floor].currentmember.properties( 'key0', typed ) )         + bottomcount( [rent range].[rent range floor].members, 1, [rent range].[rent range floor].currentmember.properties( 'key0', typed ) )     on 0   [sales]

otherwise other numerical property fine.


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