components-core/com.airwallex.android.core/AirwallexRecurringSession/requiredBillingContactFields

requiredBillingContactFields

open override val requiredBillingContactFields: Set<RequiredBillingContactField>? = null

Billing contact fields the SDK should collect on the new-card screen. null preserves legacy behavior (derived from isBillingInformationRequired / isEmailRequired).