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What is the difference between platform events and streaming API?
Streaming API vs Platform Events The main difference between the two, is the custom object like definition of a platform event versus the definition of so called push topics in case of the Streaming API. An external system could publish a platform event explicitly using the REST or SOAP API.
What is Pubsub in Salesforce?
A new way to publish and subscribe to events is coming: the Pub/Sub API pilot is launching in August 2021. The Pub/Sub API arrives hand-in-hand with the new Event Bus Runtime, a modern piece of behind-the-scenes infrastructure that will allow all Salesforce customers to scale to greater heights than ever before.
What is pub/sub method in lightning?
Pub-Sub Model Is used to transfer the information between the component which are not in the same DOM hierarchy what does this meant that the components are not connected/related with each other using parent-child relationship.
How do you communicate between two LWC?
You can use pubsub library or lightning message service to communicate between components that are not in same DOM hierarchy. These methods can be used to communicate between sibling components in an outer lwc component or between to lwc components that are dropped separately in lightning app builder.
What is the use of Pubsub in LWC?
Pub-Sub Model is essentially used to transfer the information between the component which are not in the same DOM hierarchy – which means that the components are not connected/ related in any way with each other using the parent-child relationship.
Which is an advantage of lightning over PubSub?
The advantage over pubsub is that message channels aren’t restricted to a single page. Any component in a Lightning Experience application that listens for events on a message channel updates when it receives a message.
What do you need to know about lightning message service?
LMS provides a standard means for LWC to communicate with Aura Components as well as Visualforce Pages, including components in a utility bar. All interactions have to originate from the same Lightning Experience application instance — i.e. same browser tab. Lightning message service is available in Lightning Experience only.
How to use lightning message service in Visualforce?
Use Lightning message service to communicate across the DOM between Visualforce pages, Aura components, and Lightning web components, including components in a pop-out utility bar. Use the Lightning message service functions to communicate over a Lightning message channel.
How does the publish subscribe pattern work in Lightning?
In a publish-subscribe pattern, one component publishes an event. Other components subscribe to receive and handle the event. Every component that subscribes to the event receives the event. The pubsub module restricts events to a single page.