OptionalbackgroundSheet surface color as #RRGGBB or #RRGGBBAA.
OptionalcornerSheet corner radius in points, from 0 through 40.
OptionalprimaryPrimary action color as #RRGGBB or #RRGGBBAA.
OptionaltextPrimary foreground color as #RRGGBB or #RRGGBBAA.
OptionalthemeColor scheme used by the native sheet. Defaults to the system setting.
Restrained visual overrides applied to the native payment sheet.
Omit values to inherit platform and application defaults. Inttegro retains native controls, layout, accessibility behavior, and payment-state semantics.