Update a Firestore document using merge (async)
Stay organized with collections
Save and categorize content based on your preferences.
Update a Firestore document using merge (async).
Explore further
For detailed documentation that includes this code sample, see the following:
Code sample
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["This code demonstrates how to update a Firestore document by merging new data with existing data."],["The example uses the `set()` method with the `merge=True` option to achieve the update."],["Authentication is required to use Firestore, and Application Default Credentials can be set up for this purpose."],["Additional resources for adding and updating data in Firestore are linked for further information and examples."]]],[]]