What is salesforce platform events


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 the different platforms in Salesforce?

With that, here are the tools you can use to build apps on Lightning Platform:

  • Salesforce Environments. A secure and isolated development environment for developers and admins to test ideas, accelerate app development, and customize the platform. …
  • Heroku. It lets you extend Salesforce by building engaging experiences through custom apps. …
  • mySalesforce. …
  • myEinstein. …
  • Salesforce App Cloud. …

How to subscribe to Salesforce platform event?

Subscribe Channel Listener. Step 1: Add Salesforce Subscribe channel listener and configure as shown below: Step 2: Log the actual platform event which will be in the Object format like below: The sample event would look like: Step 3: Now add Transform message to extract the event message that is encapsulated in the above Object.

How to create your first app in Salesforce?

  • To create application in lightning, Click File | New | Lightning Application.
  • Enter the name, and click Ok. E.g. appName.app resource. You may set name accordingly.
  • Now use c:helloWorld to refer the component helloWorld.cmp using the default namespace c. If your organization has a registered namespace, you can use it to reference. …

What is a platform event?

Platform events are the event messages that your apps send and receive. They simplify the process of communicating changes and responding to them without requiring you to write complex logic. Publishers and subscribers communicate with each other through platform events. One or more subscribers can listen to the same event and carry out actions.


What are platform events used for in Salesforce?

Use platform events to connect business processes in Salesforce and external apps through the exchange of real-time event data. Platform events are secure and scalable messages that contain data. Publishers publish event messages that subscribers receive in real time.

What is meant by platform event message in Salesforce?

A platform event is a special kind of Salesforce entity, similar in many ways to an sObject. An event message is an instance of a platform event, similar to how a record is an instance of a custom object. Unlike custom objects, you can’t update or delete event records.

What is platform events in Salesforce 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 are platform events in LWC?

Platform events enable the flow of event messages within Salesforce and to or from external apps. Apps on the Salesforce platform use an Apex method to publish events and an Apex trigger or the empApi Lightning component to consume events.

How do you implement a platform event in Salesforce?

Define a Platform EventFrom 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.

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.

How do I see 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.

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 you trigger a platform event?

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 you use platform event in LWC?

Firstly we need to import empApi component to use Platform Event in Lightning Web Components (LWC). Then we need to pass channel name. We can use the same component to use the Push topic channel name. Finally, once the component loads we call the handleSubscribe() method to subscribe the channel.

What is Salesforce event bus?

The Salesforce Event Bus is a multi-tenant eventing service built on Apache Kafka. Customers are using platform events and Change Data Capture for everything from offline sync for mobile apps to integrating external chat bots with Service Cloud.

How do you use the platform event in Aura 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.

What is a calendar event in Apex?

Calendar Events. A calendar event is an appointment or meeting that you create and view in the user interface.

What is generic event?

Generic Events. Generic events are custom events that contain arbitrary payloads. With a generic event, you can’t define the schema of the event.

What is Event Monitoring?

Like Real-Time Event Monitoring, you can use Event Monitoring to track user activity, such as logins and running reports. Unlike Real-Time Events, Event Monitoring doesn’t send real-time notifications. Instead, it stores user activity in a log that you can query. Transaction Security Policies.

What is platform event in Salesforce?

Platform events enable the flow of event messages within Salesforce and to or from external apps. Apps on the Salesforce platform use an Apex method to publish events and an Apex trigger or the empApi Lightning component to consume events. As an alternative to code, you can publish events with declarative tools, such as Process Builder and Flow Builder. External apps publish events using the sObject API and consume events using CometD. As you can see, there is a lot of flexibility in how you choose to use Platform Events!

What is platform event?

Platform events are similar to generic events but offer more powerful customization. With platform events, you can publish any custom data. You define the schema of event data at a granular level as typed fields. Also, you can use platform events in native Salesforce platform apps and external apps alike.

What is a trigger in Salesforce?

The external system publishes a platform event to alert Salesforce to the merchandise return. An event listener (a trigger) in Salesforce receives the event and performs some actions. For example, the trigger might alert the sales representative to the return, and send a confirmation email to the customer.

What happens when an opportunity closes in Salesforce?

When an opportunity closes in Salesforce, your company has won a deal with a customer. Let’s say you use vendors to ship products associated with an opportunity. Each vendor has an external app that processes shipment orders. The external app listens to platform events. When an opportunity closes, a trigger, which is part of a product order app in Salesforce, fires and publishes a platform event message. Each vendor app is notified of the event and creates a shipment order for a specific product.

What is an event in business?

Event. A change in state that is meaningful in a business process. For example, placement of a purchase order is a meaningful event, because the order fulfillment center expects to receive a notification before processing an order. Event message. A message that contains data about the event.

What is event based communication?

Event-based communication takes place in real-time—or, more accurately, in near-real time. Radio waves travel at the speed of light, but event-based software and hardware systems typically have some latencies.

Can consumers receive and react to the same events?

Any number of consumers can receive and react to the same events. When an event occurs, systems obtain this information and can react to it in near-real time. Systems that send events and others that receive the events don’t have dependencies on each other, except for the semantics of the message content.


Types of Platform Events

  • 1. Standard PE
    These are the predefined events provided by Salesforce itself. Some examples of Standard PE are: 1. AssetTokenEvent: Monitors OAuth 2.0 authentication activity. 2. BatchApexErrorEvent: Reports error encountered in batch apexjobs.
  • 2. High-Volume PE
    These are custom PE used to publish and process millions of events effectively and to scale your event-based apps.

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Defining Platform Events

  • Below are the steps to create a custom Platform Event in Salesforce: 1. 1. In Setup, select Platform Eventsin the quick find. 2. 2. Click New Platform Event. 3. 3. Fill in the standard fields. 4. 4. Platform Events provide two types of publishing mechanisms. Publish after commit is used to publish the event only after the transaction is successfully committed. Publish Immediatelywill publish the event as soon as the call is executed in run time. 5. …

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Publishing Platform Events

  • Below are several ways to publish a platform event after defining the same: 1. Publish Event Messages with Flows 2. Publish Event Messages with Processes 3. Publish Event Messages with Apex 4. Publish Event Messages via APIs Below is the code snippet to publish platform event with Apex:

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Subscribing Platform Events

  • Below are the several ways to receive the platform event: 1. Subscribe to Platform Event Messages with Flows 2. Subscribe to Platform Event Messages with Processes 3. Subscribe to Platform Event Notifications with Apex Triggers 4. Subscribe to Platform Event Notifications in a Lightning Component 5. Subscribe to Platform Event Notifications with CometD(Workbench)

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  • We hope you find this post helpful and will guide you to define, publish, and subscribe to platform events. To know more, don’t hesitate to connect with us. Emizentech, a Salesforce development company, is always there to serve you the best.

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