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.
Table of Contents
What is platform event in Salesforce?
A platform event is a special kind of Salesforce entity, similar in many ways to a Salesforce object. An event message is an instance of a platform event, similar to how a record is an instance of a Salesforce object.
What is the Salesforce enterprise messaging platform?
Whatever you want to be notified about, the Salesforce enterprise messaging platform provides the delivery of secure and scalable custom notifications within Salesforce and from external sources. With platform events, you can monitor your systems and communicate changes to other systems.
What is an event listener in Salesforce?
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. When a lead is assigned in Salesforce, a lead trigger fires and checks open opportunities and cases related to the lead owner.
How do I publish and consume events in Salesforce?
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.
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.
How are platform events triggered in Salesforce?
A trigger processes platform event notifications sequentially in the order they’re received. The order of events is based on the event replay ID. An Apex trigger can receive a batch of events at once. The order of events is preserved within each batch.
What is platform event triggered flow in Salesforce?
With platform event–triggered flows, you can do all your automation in one place. 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.
How do you write a trigger on a platform event?
To subscribe to event notifications, write an after insert trigger on the event object type. The after insert trigger event corresponds to the time after a platform event is published. After an event message is published, the after insert trigger is fired.
What is a 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 are some characteristics of a platform event message?
Q4)What are some characteristics of a platform event message? I)It is similar to a Salesforce object record, it is not viewable in the user interface, and it can’t be edited or deleted. II)It is an object, it can’t be edited or deleted, and it is viewable in the user interface.
How do you call a platform event from 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.
How do I query a platform event 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, processes, and platform event–triggered flows that are subscribed to the platform event.
How do I test a platform event in Salesforce?
Add Apex tests to test platform event subscribers. Before you can package or deploy Apex code, including triggers, to production, it must have tests and sufficient code coverage….Testing Your Platform Event in ApexEvent and Event Bus Properties in Test Context. … Deliver Test Event Messages. … Test Retried Event Messages.
How do I deploy a platform event in Salesforce?
Below are the steps to create a custom Platform Event in Salesforce:In Setup, select Platform Events in the quick find.Click New Platform Event.Fill in the standard fields.Platform Events provide two types of publishing mechanisms. … Click Save to create the platform event.More items…•
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 create a platform event record 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.