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
Live Controller (Pilot)
Advanced Examples
Overriding Buttons, Links, and Tabs with Visualforce
Using Static Resources
Creating and Using Custom Components
Dynamic Visualforce Bindings
Dynamic Visualforce Components
Integrating 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
Create a Message Channel
Publish on a Message Channel
Subscribe and Unsubscribe from a Message Channel
Considerations and Limitations
Best Practices
Standard Component Reference
Appendices
Glossary
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Considerations and Limitations

Keep the following in mind when working with Lightning message service in Visualforce.
Considerations
Lightning message service doesn’t work for Visualforce's sforce.one library when pages are loaded in the Chatter Publisher that uses <chatter:feed showPublisher="true"/>. Use the native Lightning Publisher instead.

Lightning message service doesn’t work in Visualforce pages that are included in Lightning Experience via iframes, including <wave:dashboard>, <apex:iframe>, and the standard HTML <iframe> tag. Instead, add Visualforce pages through the Lightning App Builder or as a utility bar item.
Visualforce supports only LightningMessageChannels where isExposed is true. See LightningMessageChannel in the Metadata API Developer Guide for more information.
Lightning message service doesn’t work in Salesforce Classic or when previewing Visualforce from Setup.
Limitations
The lightning message service supports only the following experiences:
  • Lightning Experience standard navigation
  • Lightning Experience console navigation
  • Salesforce mobile app for Aura and Lightning Web Components, but not for Visualforce pages
  • Lightning components used in Experience Builder sites. Support for Experience Builder sites is beta.

    Lightning Message Service doesn't work with Salesforce Tabs + Visualforce sites or with Visualforce pages in Experience Builder sites.

    Note