Salesforce DX Developer Guide

How Salesforce Developer Experience (DX) Tooling Changes the Way You Work
Provide Developers Access to Salesforce DX Tools
Project Setup
Authorization
Metadata Coverage
Scratch Orgs
Sandboxes
Track Changes Between Your Project and Org
Work with Data
Salesforce DX MCP Server and Tools
Development
Build and Release Your App
Unlocked Packages
What’s an Unlocked Package?
Package-Based Development Model
Before You Create Unlocked Packages
Know Your Orgs
Create Org-Dependent Unlocked Packages
Workflow for Unlocked Packages
Configure Unlocked Packages
Project Configuration File for Unlocked Packages
Unlocked Packaging Keywords
Package Installation Key
Extract Dependency Information from Unlocked Packages
Understanding Namespaces
Share Release Notes and Post-Install Instructions
Specify Unpackaged Metadata or Apex Access for Apex Tests (Unlocked Packages)
Best Practices for Unlocked Packages
Package IDs and Aliases for Unlocked Packages
Frequently Used Unlocked Packaging Operations
How We Handle Profile Settings in Unlocked Packages
Develop Unlocked Packages
Push a Package Upgrade for Unlocked Packages
Install an Unlocked Package
Migrate Deprecated Metadata from Unlocked Packages
Uninstall an Unlocked Package
Transfer an Unlocked Package to a Different Dev Hub
Continuous Integration
Troubleshoot Salesforce DX
Limitations for Salesforce DX
PDF

Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

Configure Unlocked Packages

You include an entry in the sfdx-project.json file for each package to specify its alias, version details, dependencies, features, and org settings. From the command line, you can also set or change options, such as specifying an installation key, update the package name, or add a description.