How do I update data inside documents without specifying the document ID?

Question

Is there a way to update data inside documents without specifying the document ID,

But while going thorugh stackoverflow I saw this code

Answer 1

The Dart equivalent to code you posted would look like this:

Firestore.instance.collection('users')
  .where('name', isEqualTo: 'Daniel')
  .getDocuments()
  .then((querySnapshot) {
    querySnapshot.documents.forEach((documentSnapshot) {
      documentSnapshot.reference.updateData({ ... });
    });
  });