How do you create a platform event?
Define and Publish Platform Events
- From Setup, enter Platform Events in the Quick Find box, then select Platform Events.
- On the Platform Events page, click New Platform Event.
- For Label, enter Cloud News.
- For Plural Label, enter Cloud News.
- For Description, enter Cloud news events deliver news at your fingertips.
How are platform events consumed in Salesforce platform?
You can publish and consume platform events by using Apex or a REST API or SOAP API. Platform events integrate with the Salesforce platform through Apex triggers. Triggers are the event consumers on the Salesforce platform that listen to event messages. Unlike custom objects, you can’t update or delete event records.
How to publish lightning events on Salesforce platform?
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’s the maximum size of a Salesforce event?
Salesforce uses the monthly entitlement for event overage monitoring. The monthly entitlement is returned in the limits REST API resource. The maximum event message size that you can publish is 1 MB. If your event object has hundreds of custom fields or many long text area fields, you could hit this limit.
What does the monthly entitlement do in Salesforce?
Salesforce uses the monthly entitlement for event overage monitoring. The monthly entitlement is returned in the limits REST API resource. Event Publishing: maximum number of event notifications published per hour. (Applies to all publishing methods, including Apex, APIs, flows, and processes.)