Increment a Firestore document field (async)

Update a Firestore document field using Increment (async).

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For detailed documentation that includes this code sample, see the following:

Code sample


To authenticate to Firestore, set up Application Default Credentials. For more information, see Set up authentication for a local development environment.

washington_ref = db.collection("cities").document("DC")

washington_ref.update({"population": firestore.Increment(50)})

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