void main() async {
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}
final FirebaseFirestore _db = FirebaseFirestore.instance;
final DocumentReference documentReference = _db.collection('collectionName').doc('documentName');
Map<String, dynamic> data = <String, dynamic>{
'field1': 'value1',
'field2': 'value2',
...
};
await documentReference.update(data);
This will add the data to the pre-existing document.
Asked: 2021-10-25 11:00:00 +0000
Seen: 12 times
Last updated: Feb 12 '22