toMap method
Implementation
Map<String, dynamic> toMap() {
final result = <String, dynamic>{};
result.addAll({'step': step.index});
result.addAll({'title': title});
if (thresholdToCheck != null) {
result.addAll({'thresholdToCheck': thresholdToCheck});
}
result.addAll({'isCompleted': isCompleted});
return result;
}