Apex Developer Guide

Apex Developer Guide
Getting Started with Apex
Writing Apex
Running Apex
Debugging, Testing, and Deploying Apex
Apex Language Reference
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
ConnectApi Namespace
Database Namespace
Datacloud Namespace
DataSource Namespace
Dom Namespace
EventBus Namespace
Flow Namespace
KbManagement Namespace
Messaging Namespace
Metadata Namespace
Process Namespace
QuickAction Namespace
Reports Namespace
Schema Namespace
Search Namespace
Sfc Namespace
Site Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
DataRow Class
DesignTimePageContext Class
DynamicPickList Class
DynamicPickListRows Class
wave Namespace
Appendices
Glossary
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VisualEditor Namespace

The VisualEditor namespace provides classes and methods for interacting with the Lightning App Builder. The classes and methods in this namespace operate on Lightning components, which include Lightning web components and Aura components.
As of Spring ’19 (API version 45.0), you can build Lightning components using two programming models: the Lightning Web Components model, and the original Aura Components model. Lightning web components are custom HTML elements built using HTML and modern JavaScript. Lightning web components and Aura components can coexist and interoperate on a page.

Configure Lightning web components and Aura components to work in Lightning App Builder and Community Builder. Admins and end users don’t know which programming model was used to develop the components. To them, they’re simply Lightning components.

The following are the classes in the VisualEditor namespace.