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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.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 45m
Last updated
Clock icon Sep 02, 2025

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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.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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We will provide the credentials and environment necessary for you to practice right within your browser.

Guided walkthrough

Follow along with the author’s guided walkthrough and build something new in your provided environment!

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On average, you retain 75% more of your learning if you get time for practice.
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