fetchNativeAlternativePaymentMethodTransactionDetails
abstract suspend fun fetchNativeAlternativePaymentMethodTransactionDetails(invoiceId: String, gatewayConfigurationId: String): ProcessOutResult<PONativeAlternativePaymentMethodTransactionDetails>
abstract fun fetchNativeAlternativePaymentMethodTransactionDetails(invoiceId: String, gatewayConfigurationId: String, callback: ProcessOutCallback<PONativeAlternativePaymentMethodTransactionDetails>)
Fetch information to start or continue payment.