how to get Expression value

[Anonymous]

Hi All,

Please suggest me , how to get expression value in a chart

Example

Bar chart having dimension Product and two expression , Exp 1 : sum of Income , Exp 2 : sum of Expense

if user clicks on Income , chart containing income details should be displayed

if user clicks on Expense, chart containing Expense details should be displayed

Pls find attached sample screen

Thanks in advance