# toDocument method Null safety

1. @override

Map<String, Object?> toDocument()
override

## Implementation

    @override
    Map<String, Object?> toDocument() {
      final List<Map<String?, dynamic>>? tutorialEntriesListMap =
          tutorialEntries != null
              ? tutorialEntries!.map((item) => item.toDocument()).toList()
              : null;
      final Map<String, dynamic>? conditionsMap =
          conditions != null ? conditions!.toDocument() : null;

      Map<String, Object?> theDocument = HashMap();
      if (appId != null) {
        theDocument["appId"] = appId;
      } else {
        theDocument["appId"] = null;
      }
      if (name != null) {
        theDocument["name"] = name;
      } else {
        theDocument["name"] = null;
      }
      if (title != null) {
        theDocument["title"] = title;
      } else {
        theDocument["title"] = null;
      }
      if (description != null) {
        theDocument["description"] = description;
      } else {
        theDocument["description"] = null;
      }
      if (tutorialEntries != null) {
        theDocument["tutorialEntries"] = tutorialEntriesListMap;
      } else {
        theDocument["tutorialEntries"] = null;
      }
      if (conditions != null) {
        theDocument["conditions"] = conditionsMap;
      } else {
        theDocument["conditions"] = null;
      }
      return theDocument;
    }