toJson method

Implementation

Map<String, dynamic> toJson() {
  final map = <String, dynamic>{
    'doubleOptIn': doubleOptIn,
  };
  if (transactionalOptedIn != null) {
    map['transactionalOptedIn'] = transactionalOptedIn;
  }
  if (commercialOptedIn != null) {
    map['commercialOptedIn'] = commercialOptedIn;
  }
  if (properties != null) {
    map['properties'] = properties;
  }
  return map;
}