Increment a Firestore document field (async)

Update a Firestore document field using Increment (async).

Explore further

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

• Add and update data
• Add data to Cloud Firestore

Code sample

Python

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")

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

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