Firing Events from Non-Aura Code

You can fire Aura events from JavaScript code outside an Aura app. For example, your Aura app might need to call out to some non-Aura code, and then have that code communicate back to your Aura app once it’s done.

For example, you could call external code that needs to log into another system and return some data to your Aura app by firing an Aura event. Let’s call this event mynamespace:externalEvent. The external code fires this event when it’s ready to communicate with an Aura app.

1var myExternalEvent;
2if(window.$A &&
3  (myExternalEvent = window.$A.get("e.mynamespace:externalEvent"))) {
4    myExternalEvent.setParams({isOauthed:true});
5    myExternalEvent.fire();
6}

See Also

• Application Events
• Modifying Components Outside the Framework Lifecycle

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Introducing Aura Components

Quick Start

Creating Components

Using Components

Communicating with Events

Actions and Events

Handling Events with Client-Side Controllers

Component Events

Application Events

Event Handler Behavior for Active Components

Event Handling Lifecycle

Advanced Events Example

Firing Events from Non-Aura Code

Events Best Practices

Events Fired During the Rendering Lifecycle

Events Handled in the Salesforce Mobile App and Lightning Experience

System Events

Communicating Across the DOM with Lightning Message Service

Creating Apps

Styling Apps

Developing Secure Code

Using JavaScript

Working with Salesforce Data

Testing Components

Debugging

Performance

Reference

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