toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (billingAddress != null) 'billingAddress': billingAddress!,
if (cardBin != null) 'cardBin': cardBin!,
if (cardLastFour != null) 'cardLastFour': cardLastFour!,
if (currencyCode != null) 'currencyCode': currencyCode!,
if (gatewayInfo != null) 'gatewayInfo': gatewayInfo!,
if (items != null) 'items': items!,
if (merchants != null) 'merchants': merchants!,
if (paymentMethod != null) 'paymentMethod': paymentMethod!,
if (shippingAddress != null) 'shippingAddress': shippingAddress!,
if (shippingValue != null) 'shippingValue': shippingValue!,
if (transactionId != null) 'transactionId': transactionId!,
if (user != null) 'user': user!,
if (value != null) 'value': value!,
};