Segmented control tintColor

[zbencz3]

I am using XLForm (4.0.0) and I need to set the tint color of a row with a segmented control on iOS 13.

let row = Row(tag: myTag,
  rowType: XLFormRowDescriptorTypeSelectorSegmentedControl,
  title: "")

How can I set the tint color for this row?
The following does not seem to work.
row.cellConfigAtConfigure["segmentedControl.tintColor"] = UIColor.orange

Thanks.