Get Firestore documents in nested collections (async)

Get Firestore documents in nested collections (async).

Explore further

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

• Get data with Cloud Firestore
• Getting data

Code sample

Python

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

collections = db.collection("cities").document("SF").collections()
async for collection in collections:
    async for doc in collection.stream():
        print(f"{doc.id} => {doc.to_dict()}")

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