On this pageHostedFieldsOptionstype HostedFieldsOptions = Pick<PurseHeadlessCheckoutUIOptions, "locale"> & HostedFieldsUIOptions & object; HostedFieldsOptions let you override theme configuration, render targets and placeholders for hosted fields. Type Declaration NameTypeDescriptionthemeHostedFieldsThemeThis section holds the theme configuration. Matters like, font, colors, spacing can be override using this config. HostedFieldsTheme See Options.locale for locale configuration