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When should component events and application events be used in Salesforce?
When should component events and application events be used in Salesforce?
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2 Replies
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Component event usage is more localized as these can be used by same component or component in containment hierarchy. If you use application events then it may fire system events. Use Application events only if components are present in 2 different app or are not in containment hierarchy.
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Component events: to talk to a parent using the capture and bubbling mechanism, like with DOM events. Usually, one component is interested by the event, like an event aggregator. Application events: to broadcast to other components and not exclusively ancestors.
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