What are Salesforce platform events

Salesforce publishes standard platform events in response to an action that occurred in the org or to report errors. For example, LoginEventStream monitors user login activity and BatchApexErrorEvent reports errors encountered in batch Apex jobs.

What is Salesforce platform event?

Salesforce publishes standard platform events in response to an action that occurred in the org or to report errors. For example, LoginEventStream monitors user login activity and BatchApexErrorEvent reports errors encountered in batch Apex jobs.

What are platform events in lightning?

Platform events are based on a publish-subscribe architecture. Apps can publish platform events by using Apex or one of the Salesforce platform APIs (SOAP, REST, or Bulk API). In addition, declarative tools such as the Lightning Process Builder or Cloud Flow Designer can publish platform events.

What is a platform event message in Salesforce?

Platform events are the event messages (or notifications) that your apps send and receive to take further action. Platform events simplify the process of communicating changes and responding to them without writing complex logic.

How does a platform event work?

Platform events are secure and scalable messages that contain data. Publishers publish event messages that subscribers receive in real time. To customize the data published, define platform event fields. Platform events are part of Salesforce’s enterprise messaging platform.

How do I view platform events in Salesforce?

View Event Subscribers 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, processes, and platform event–triggered flows that are subscribed to the platform event.

How do I use platform events in Salesforce?

From Setup, enter Platform Events in the Quick Find box, then select Platform Events.
On the Platform Events page, click New Platform Event.
Create a Notification platform event with the following settings: Label: Notification. Plural Label: Notifications. Object Name: Notification. …
Click Save.

What is platform event in process builder?

Processes built in Process Builder can subscribe to platform events and receive event messages published through Apex, APIs, flows, and other processes. Processes provide an autosubscription mechanism. To subscribe a process to a platform event, build the process to start when it receives a platform event message.

What is a platform event triggered flow?

Users can trigger a Flow when a platform event message is received. Unlike Process Builder, users can access all available records when a Flow is invoked by the platform event message. … Platform event-triggered flow launches when a platform event message is received. This Auto launched flow runs in the background.

How long is a Salesforce platform event?

Salesforce stores high-volume platform events for 72 hours in the event bus. Standard-volume events that were defined before Spring ’19 are stored for 24 hours in the event bus.

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How do I trigger a platform event in Salesforce?

After an event message is published, the after insert trigger is fired. To create a platform event trigger, use the Developer Console. Click the Setup icon, select Developer Console, and click File | New | Apex Trigger. Provide a name and choose your event for the sObject, and click Submit.

How do I know if a platform event is published in Salesforce?

Use the EventUuid field value to match the status to the event published. If you published the event in Apex, you can obtain the UUID by calling EventBus. getOperationId(saveResult) . If you published the event using Salesforce APIs, the SaveResult returned contains the UUID in the Error message field.

How do I retrieve a platform event in Salesforce?

Retrieve Platform Events To retrieve all platform events, in addition to custom objects defined in your org, use the wildcard character ( * ) for the <members> element, as follows. To retrieve or deploy triggers associated to a platform event, use the ApexTrigger metadata type.

What are Salesforce activities?

Activities include tasks, events, and calendars. With Salesforce, track tasks and meetings together in lists and reports to easily prioritize your time and keep up with your accounts, campaigns, contacts, leads, and opportunities.

How do you test a platform event?

Event and Event Bus Properties in Test Context. …
Deliver Test Event Messages. …
Test Retried Event Messages.

How do I create an event in Salesforce?

Select the relevant page or page element.
Select an event in the Events pane ( ). …
Click. and select an action in the Choose an Action list that appears.
Set the other available properties for the action, such as: …
Click Save.
Add more actions if required.

How do I create a platform event in Apex?

In Quick Find in the Setup menu, enter “Platform Events.”
Select the Option of Platform Events under Integrations.
Select the New Platform Event button.
Create a Label and Object Name.
Select a Publish Behavior of Publish Immediately.

Can we query platform events?

For platform events, you can query usage data for these metrics. The first value is the metric name value that you supply in the query. For change data capture events, you can query usage data for these metrics. The first value is the metric name value that you supply in the query.

How do I publish a platform event?

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 do I test a platform event in Salesforce with workbench?

1. Go to Queries and select Streaming Push Topics. 2. Enter /event/PlatformEvent__e(Use API Name).

How do I create a platform event in Salesforce flow?

Go to Setup à Enter and choose Flows. Click on New Flow and choose Platform Event-Triggered Flow. Choose respective Platform event object to subscribe in the Start element. Drag and drop Create record element and capture the published Platform event field values with the respective Salesforce object.

What is auto launched flow in Salesforce?

As name suggests these are flows which can be launched automatically based on certain conditions or situations. For example, we can call a flow from process builder, when there is any DML occurs like (Insert, Delete, Update) or we can call the flow if there is any platform event occurs.

How do I subscribe to platform event in lightning component?

Go to setup > Search ‘platform event’ and click on Platform event link. Enter values in required field and click on save. Publish After Commit to have the event message published only after a transaction commits successfully. With this option, a subscriber receives the event message after the data is committed.

How do I publish an event in Salesforce?

To publish event messages, call the EventBus. publish method. For example, if you defined a custom platform event called Low Ink , reference this event type as Low_Ink__e . Next, create instances of this event, and then pass them to the Apex method.

What are high volume events Salesforce?

Salesforce provides two volume entitlements: standard-volume and high-volume. The Standard volume will limit you to 50,000 delivered event notifications per day, while High volume has a limit of 1.5 million delivered event notifications per day.

Does salesforce have an API?

As an example, Salesforce takes an API-first approach when building features on its platform. Users get many great built-in capabilities, but since no company can build the perfect, customized platform for every single user, Salesforce uses APIs.

Are platform events synchronous or asynchronous?

High-volume platform events are published asynchronously. With publish status events, you can track the status of publishing operations and take the necessary actions.

Are platform events asynchronous?

Unlike triggers on standard or custom objects, triggers on platform events don’t execute in the same Apex transaction as the one that published the event. The trigger runs asynchronously in its own process. As a result, there can be a delay between when an event is published and when the trigger processes the event.

How do you test a platform event trigger?

Event and Event Bus Properties in Test Context. …
Deliver Test Event Messages. …
Test Retried Event Messages.

What is CometD 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?

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