I need to create a pie chart from the output of multiple expression rule. How can this be done?
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Could you create a temporary CDT (format can be based on output you are receiving )and club you data coming from multiple expression rule using loop functions and then using that temp CDT for pie chart.
A pie chart just takes a list of chartseries elements. Each has a data parameter which is the value for that slice. You can create that data in any way you want.