toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data['symbol'] = symbol;
data['companyName'] = companyName;
data['isin'] = isin;
data['isEtf'] = isEtf;
data['isActivelyTrading'] = isActivelyTrading;
data['isAdr'] = isAdr;
data['isFund'] = isFund;
data['currency'] = currency;
data['marketCapitalization'] = marketCapitalization;
return data;
}