Create a Firestore collection reference

Create a Firestore collection reference

Explore further

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

• Cloud Firestore Data model
• Data model

Code sample

C#

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

CollectionReference collectionRef = db.Collection("users");

Go

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

import (
	"cloud.google.com/go/firestore"
)

func createCollectionReference(client *firestore.Client) {
	usersRef := client.Collection("users")

	_ = usersRef
}

Java

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

// Reference to the collection "users"
CollectionReference collection = db.collection("users");

Node.js

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

const usersCollectionRef = db.collection('users');

PHP

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

$collection = $db->collection('samples/php/users');

Python

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

users_ref = db.collection("users")

Ruby

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

collection_ref = firestore.col "users"

What's next

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