Visualforce Developer Guide

Introducing Visualforce
Tools for Visualforce Development
Getting a Quick Start with Visualforce
Customizing the Appearance and Output of Visualforce Pages
Standard Controllers
Standard List Controllers
Custom Controllers and Controller Extensions
Advanced Examples
Override Buttons, Links, and Tabs with Visualforce
Considerations for Customizing Overrides
Overriding Tabs Using a Standard List Controller
Defining Custom Buttons and Links for Visualforce
Adding Custom List Buttons using Standard List Controllers
Displaying Record Types
Remove a Custom Override
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrate Email with Visualforce
Visualforce Charting
Creating Maps with Visualforce
Render Flows with Visualforce
Templating with Visualforce
Developing Salesforce Apps with Visualforce
Adding Visualforce to a Salesforce AppExchange App
Using JavaScript in Visualforce Pages
Communicating Across the DOM with Lightning Message Service
Visualforce Best Practices
Standard Component Reference
Appendices
PDF

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Override Buttons, Links, and Tabs with Visualforce

Override the behavior of standard buttons—such as New, View, and Edit—in Salesforce Classic, Lightning Experience, and the Salesforce mobile app. You can also override the tab home page that displays when a user clicks a standard, custom, or external object tab.
  1. From Setup, click Object Manager, and then click the object that you want to set an override for.
  2. Click Buttons, Links, and Actions, and then select Edit from the dropdown of the button or tab home page that you want to override.
  3. To override the behavior in Salesforce Classic, select Visualforce page as the override type, and the select the Visualforce page that you want to run when users click the button or tab.
  4. To apply the same selected Visualforce page in Lightning Experience or the Salesforce mobile app, select Use the Salesforce Classic override.
  5. Save your changes.