DesktopRadioButton.Tag

From Xojo Documentation

Property (As Variant )
aDesktopRadioButton.Tag = newVariantValue
or
VariantValue = aDesktopRadioButton.Tag

New in 2021r3

Supported for all project types and targets.

A “hidden” value associated with the radio button.

Notes

The tag is accessible via code when the user chooses the menu item but, unlike the Caption property, is not displayed in the radio button. It works like the RowTag property of a DesktopPopupMenu control.