toJson method
Implementation
core.Map<core.String, core.dynamic> toJson() => {
if (attributionSettings != null)
'attributionSettings': attributionSettings!,
if (currencyCode != null) 'currencyCode': currencyCode!,
if (destinationId != null) 'destinationId': destinationId!,
if (displayName != null) 'displayName': displayName!,
};