toJson method
Converts an object to JSON.
Implementation
@override
Map<String, dynamic> toJson() {
final returnValue = <String, dynamic>{
'\$hash': '221bb5e4',
'\$name': 'TodoCompletion',
'id': id,
'completedBy': completedBy,
'date': date.toIso8601String(),
};
// Finished toJson.
return returnValue;
}