Update a Firestore document field (async)

Update a Firestore document field (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.

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

# Set the capital field
await city_ref.update({"capital": True})

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.