Lightning Message Service & Code Builder

Lightning message service, a cross DOM client side messaging feature that, was just made generally available in Summer 20. We’ll look at the examples in the LWC Recipes app that demonstrate how LMS works in LWC, Aura, and Visualforce. We’ll also see a demonstration of how scoped messaging works to make subscribers automatically activate and deactivate when certain parts of the UI are active


  • Message service fundamentals
  • Message service demo
  • Scoped messaging and demo
  • Code builder

When ?

Date     : Sat, AUG 29, 2020 10:00 AM EST (7:30 PM IST)
Speaker :  Peter Chittum (Senior Director, Developer Relations EMEA – Salesforce)

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  1. Reply
    Basil A says:

    Hi Devs, I coded a Lightning Message Service channel in VS Code, Deployed to Org, & then due to some issues later deleted from Project AND Org. But I think the LMS is STILL in the Org coz after cleaning up, it no longer allows me to Deploy to Org, and results in an error.

    Do you know Where & How in Setup to: a) find Lightning Message Service channels, and b) completely delete them from the Org?


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