How to reference dimension value in measure calculation

[Bharath080]

How to reference dimension value in measure calculation, 

In pivot table I have measures for which dimension have to be different for different measures, hence I created a static dimension now I need these measures to be linked to value in dimension, hence I need to know how to reference dimension in measure calculation 

[rwunderlich]

Reference the Dimension by fieldname, eg

if(Region='EMEA', ...

-Rob

[Bharath080]

There are 250 value in that field hence it has to be dynamic