View a list of all triggers or processes that are subscribed to a platform event by using the Salesforce user interface or the API.
CometD and Pub/Sub API subscribers to a platform event channel aren’t exposed in the user interface or the API. Flow Pause element subscribers to a platform event aren’t returned in Metadata API.
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View and Manage an Event’s Subscribers on the Platform Event’s Detail Page
View the triggers, flows, and processes that are subscribed to a platform event in the Subscriptions related list. Manage subscriptions for Apex triggers.
Obtain Processes That Subscribe to a Platform Event in Metadata API
Use Metadata API to retrieve all processes subscribed to a platform event.
Obtain an Event’s Subscribers by Querying EventBusSubscriber
The EventBusSubscriber standard object contains information about the trigger and process subscribers of all platform events. You can query this object using SOQL.
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