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Setting Off a Cloud Function via Cloud Storage Metadata

While Cloud Functions can be triggered by major Cloud Storage events, like an object being created or deleted, the function can also be executed on changes to various aspects of the object's status, as represented by updates to its metadata. In this hands-on lab, you'll create a Cloud Function with a Cloud Storage trigger that watches for changes to a bucket's objects’ metadata and outputs the result of that change.

Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 04, 2025
Duration
45m

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Table of Contents
  1. Challenge

    Enable APIs

    Enable the APIs necessary for creating a Cloud Function (1st gen).

  2. Challenge

    Create and Populate a Cloud Storage Bucket

    Create a bucket and upload a file into the bucket.

  3. Challenge

    Create a Cloud Function

    Create a Cloud Function that is triggered by a change to the Cloud Storage metadata and outputs the filename and hold status of the object modified.

  4. Challenge

    Test the Cloud Function

    Verify that the Cloud Function is correctly outputting the hold status for the object.

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