Add more fields to a document through flutter? - Stack Overflow

PHOTO EMBED

Fri Jun 17 2022 17:13:04 GMT+0000 (Coordinated Universal Time)

Saved by @jaystiqs 

FirebaseFirestore.instance.collection('collectionName')
  .doc('docID')
  .set({
  'field': 'value'
},SetOptions(merge: true)).then((value){
  //Do your stuff.
});
content_copyCOPY

https://stackoverflow.com/questions/59780575/in-firebase-how-do-we-add-more-fields-to-a-document-through-flutter