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Use this extension to translate strings (for example, text messages) written to a Cloud Firestore collection.

This extension listens to your specified Cloud Firestore collection. If you add a string to a specified field in any document within that collection, this extension:

• Translates the string into your specified target language(s); the source language of the string is automatically detected.
• Adds the translation(s) of the string to a separate specified field in the same document.

You specify the desired target languages using ISO-639-1 codes. You can find a list of valid languages and their corresponding codes in the Cloud Translation API documentation.

If the original non-translated field of the document is updated, then the translations will be automatically updated, as well.

Additional setup

Before installing this extension, make sure that you've set up a Cloud Firestore database in your Firebase project.

Billing

To install an extension, your project must be on the Blaze (pay as you go) plan

• You will be charged a small amount (typically around $0.01/month) for the Firebase resources required by this extension (even if it is not used).
• This extension uses other Firebase and Google Cloud Platform services, which have associated charges if you exceed the service’s free tier:
• Cloud Translation API
• Cloud Firestore
• Cloud Functions (Node.js 10+ runtime. See FAQs)