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How does the enclosing aura component communicate with events?
The enclosing Aura component can capture the event and handle it. Optionally, the Aura component can fire an Aura event to communicate with other Aura components or with the app container. This technique is useful when you want to support events or interfaces that are used in Aura components but not currently supported by Lightning web components.
How to handle an aura event in JavaScript?
You can only specify an onnotification handler in the first Aura component that the DOM event bubbles to. The handleCustomEvent function in the controller of the catchAndReleaseWrapper Aura component handles the event.
How to define and publish platform event messages?
Recherchez des modules, des parcours, et bien plus encore… Define a platform event. Describe how platform event messages can be published. Use an Apex method to publish an event. Publish an event using clicks in a process or flow. Publish an event using REST API by inserting an sObject.
How are event handlers handled in Lightning aura?
The event attribute specifies the event being handled. The format is namespace:eventName. In this example, when the event is fired, the handleComponentEvent client-side controller action is called. Component event handlers are associated with the bubble phase by default. To add a handler for the capture phase instead, use the phase attribute.
What to use instead of event.fire in aura?
Instead of event.fire () in an Aura component, use the standard DOM method, this.dispatchEvent (myEvent), in Lightning web components. Here’s an example of creating and dispatching (firing) an event in the propertyTile Lightning web component.
Can You migrate events from Aura to lightning?
Migrate component events in Aura components to web-standard DOM events in Lightning web components. If you’re familiar with DOM events, you notice the same propagation behavior in Lightning web components.