Answer: Update fields in nested objects in firestore documents?

answer re: Update fields in nested objects in firestore documents?

Mar 7 '18

25

According to the link you provided, it says this:

If your document contains nested objects, you can use "dot notation" to reference nested fields within the document when you call update():

Therefore you need to use dot notation to be able to update only one field without overwriting, so like…

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