In order to apply customization, click on “Customize” button on report create or report edit page.
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Double click on the Datapoint Color Customization icon. The following modal window will appear. You can select the category value and the color that should be displayed.
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You can keep adding the values and respective colors. Click on Ok.
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You will see that the Datapoint Color Customization icon is highlighted.
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Click on the small tick to apply the customization.
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Thanks,
Helical Insight