Platform Events Developer Guide
jSummer '26 (API version 67.0)
Spring '26 (API version 66.0)
Winter '26 (API version 65.0)
Summer '25 (API version 64.0)
Spring '25 (API version 63.0)
Winter '25 (API version 62.0)
Summer '24 (API version 61.0)
Spring '24 (API version 60.0)
Winter '24 (API version 59.0)
Summer '23 (API version 58.0)
Spring '23 (API version 57.0)
Winter '23 (API version 56.0)
Summer '22 (API version 55.0)
Spring '22 (API version 54.0)
Winter '22 (API version 53.0)
Summer '21 (API version 52.0)
Spring '21 (API version 51.0)
Winter '21 (API version 50.0)
Summer '20 (API version 49.0)
Spring '20 (API version 48.0)
Winter '20 (API version 47.0)
Summer '19 (API version 46.0)
Spring '19 (API version 45.0)
Winter '19 (API version 44.0)
Summer '18 (API version 43.0)
Spring '18 (API version 42.0)
Winter '18 (API version 41.0)
Summer '17 (API version 40.0)
Spring '17 (API version 39.0)
Platform Event Allocations
EventBusSubscriber
Platform Event Error Status Codes
Newer Version Available
Reference
The reference documentation for platform events covers limits, an API object, and Apex
methods.
-
Platform Event Allocations
Learn about the allocations available for platform event definitions, publishing and subscribing to platform events, and event delivery in CometD clients. -
EventBusSubscriber
Represents a trigger, process, or flow that is subscribed to a platform event. -
EventBus Class
Contains methods for publishing platform events. -
Platform Event Error Status Codes
When publishing an event message results in an error, a status code is returned either in the SaveResult or in an event notification. -
TriggerContext Class
Provides information about the platform event or change event trigger that’s currently executing, such as how many times the trigger was retried due to the EventBus.RetryableException. Also, provides a method to resume trigger executions. -
Standard Platform Event Objects
Check out the standard platform events that Salesforce publishes.