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Set Up Your Salesforce DX Environment

Learning Objectives

In this project, you’ll:

  • Install Salesforce CLI.
  • Install Visual Studio Code and extensions for Salesforce DX.
  • Create and deploy a Lightning web component.


Lightning Web Components is a new programming model for building Lightning components. It uses web standards breakthroughs, can coexist and interoperate with the Aura programming model, and delivers unparalleled performance. To create and develop Lightning Web Components and use their powerful features and performance benefits, you need to set up Salesforce DX. For this Quick Start, you also use Visual Studio Code, which is the recommended code editor for developing on the Salesforce platform. Once your developer environment is ready, you learn how to write a simple Lightning web component and add it to a page in Lightning Experience.

The Salesforce Developer Experience (DX) is a set of tools that streamlines the entire development life cycle. It improves team development and collaboration, facilitates automated testing and continuous integration, and makes the release cycle more efficient and agile.

Set Up Your Trailhead Playground 

Create a new Trailhead Playground.

  1. To create a new Trailhead Playground, click the dropdown at the end of this step and select Create a Trailhead Playground.    
    The Create a Trailhead Playground dropdown in a project's verify step challenge.
  2. Once you have a Trailhead Playground, click Launch.

Reset your password. You need both your username and password to authenticate your Trailhead Playground with the Salesforce CLI in a later step. 

If you see a tab in your org labeled Get Your Login Credentials, great! Follow the steps below. If not, click App Launcher to launch the App Launcher, then click Playground Starter and follow the steps. If you don’t see the Playground Starter app, check out Find the Username and Password for Your Trailhead Playground on Trailhead Help.

  1. Click the Get Your Login Credentials tab and take note of your username.
  2. Click Reset My Password. This sends an email to the address associated with your username.
  3. Click the link in the email.
  4. Enter a new password, confirm it, and click Change Password

Install the Command Line Interface (CLI)

Use the Salesforce CLI to control the full application life cycle of your Salesforce apps. With it you can easily create environments for development and testing, synchronize source code between your orgs and VCS, and execute tests. 

  1. Install the CLI using the links below.
    Operating System
    Link to Installer
    Right click the file and select Open. Then click Open again when prompted.
    Windows 32-bit
    Windows 64-bit
    Debian/Ubuntu 64
    Download the archive from one of the URLs in the manifest, extract the archive, then run the ./install script.
    Debian/Ubuntu x86
    Download the archive from one of the URLs in the manifest, extract the archive, then run the ./install script.
  2. Let’s make sure the CLI is properly installed and you know how to access online help for the commands. In a command window, enter sfdx.

    You see something like this:
    Salesforce CLI
      sfdx-cli/7.36.0-sfdx-cli/7.36.0-b1c4e9c7c8 darwin-x64 node-v10.15.3
      $ sfdx [COMMAND]
      commands  list all the commands
      force     tools for the Salesforce developer

In our next step, we set up our local development environment with Visual Studio Code.

We won’t check any of your setup. Click Verify Step to go to the next step in the project.