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a have a "Measure" field containing measure values: amount, quantity, etc'.
i want the user to choose the measure he want to see,
and have variables to hold the correct expressions.
so i made two variables with the expressions i need.
when i put $(vAmount) as the expression in my graph it works great.
but i want to have another variable to point to the correct variable, something like:
vMeasureString= 'v'&maxstring(Measure) so that vMeasureString point to vAmount or vQuantity and i'll get the respective expression in my graph.
I can i do this?