What are platform events in salesforce

What is platform event message in Salesforce?

Platform Events are used to deliver secure, scalable, and customizable notification within Salesforce or external app. Platform Event is based on Event-Driven Architecture. This is built in real time integration patterns in the Salesforce Platform which helps to reduce point-to-point integration.

What are system events in Salesforce?

System events are fired automatically by the Lightning framework such as during component initialization, attribute value change, rendering etc. All Components can register for system events in their HTML markup. We can handle these events in the Lightning apps or components, and within the Salesforce mobile app.

How do I view platform events in Salesforce?

From Setup, enter Platform Events in the Quick Find box, then select Platform Events. Click your event’s name. On the event’s definition page, the Subscriptions related list shows all the active triggers and processes that are subscribed to the platform event.

What are different types of triggers in Salesforce?

There are two types of triggers: Before triggers are used to update or validate record values before they’re saved to the database.

A trigger is Apex code that executes before or after the following types of operations:

  • insert.
  • update.
  • delete.
  • merge.
  • upsert.
  • undelete.

What does Salesforce Connect allow you to do?

Salesforce Connect is an exciting new App Cloud integration service that empowers Salesforce users to access and manage data in external apps, whether on-premise or cloud, directly from Salesforce. With Salesforce Connect, your business can be more productive and agile, and deliver new levels of customer success.

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What is __ E in Salesforce?

When you create a platform event, the system appends the __e suffix to create the API name of the event. For example, for the Cloud News event, the API name is Cloud_News__e. Use the API name whenever you refer to the event programmatically, for example, in Apex, REST API, and Enterprise API.

How do I use events in Salesforce?

Use events to add interactive and animated effects to the pages and page elements of your website.

  1. Select the relevant page or page element.
  2. Select an event in the Events pane ( ). …
  3. Click. …
  4. Set the other available properties for the action, such as: …
  5. Click Save.
  6. Add more actions if required.

What is event in lightning?

Events are fired from JavaScript controller actions that are typically triggered by a user interacting with the user interface. There are two types of events in the framework: Component events are handled by the component itself or a component that instantiates or contains the component.

What is bubble and capture phase in lightning?

Capture phase—The framework executes the capture phase from the application root to the source component until all components are traversed. … Bubble phase—The framework executes the bubble phase from the source component to the application root until all components are traversed or stopPropagation() is called.

How do I subscribe to a platform event?

Subscribe to Platform Event Notifications with Apex Triggers

With platform events, the process is similar. You simply write an after insert Apex trigger on the event object to subscribe to incoming events. Triggers provide an autosubscription mechanism in Apex. No need to explicitly create and listen to a channel.

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What is CometD in Salesforce?

CometD is a scalable HTTP-based event routing bus that uses an AJAX push technology pattern known as Comet. It implements the Bayeux protocol. Long polling, also called Comet programming, allows emulation of an information push from a server to a client.

How do I enable custom platform events in Salesforce?

Define a Custom Platform Event

  1. From Setup, enter Platform Events in the Quick Find box, then select Platform Events.
  2. On the Platform Events page, click New Platform Event.
  3. Complete the standard fields, and optionally add a description.
  4. For Event Type, select High Volume.
  5. Click Save.

What are the different types of trigger?

There are two types of triggers.

  • BEFORE trigger: – This trigger is called before the execution of the DML statement. …
  • After Trigger: – this trigger is called after once DML statement is executed. …
  • Combination of triggers: – We can have combination of row, statement, BEFORE and AFTER triggers.

What is trigger old?

Trigger.New and Trigger.Old are both the context Variables which returns records in List’s. Trigger.New => works for the NEW values that are entering either it may be Insert or Update. Trigger.Old=> works for the OLD values that are already in the Fields, it may be to Delete or Update the records.

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