Please let us know how to configure donut chart in the flexmonster.
Thank you for your question.
The donut chart is not included into the list of built-in Flexmonster charts. However, it is possible to implement it using third-party libraries.
Tutorials on integration with such libraries:
Please check out an example we have prepared for you demonstrating the implementation of the donut chart using Highcharts library.
We hope it helps.