EventSubscription

Represents a subscription to an event type. This type extends the Metadata metadata type and inherits its fullName field.

File Suffix and Directory Location

EventSubscription components have the suffix file path .subscription, and are stored in the eventSubscriptions folder.

Version

Event subscription components are available in API version 41.0 and later.

Limits

Your org can have a maximum of:

500 total event subscriptions
50 active event subscriptions

Fields

Field Name	Field Type	Description
active	boolean	If the subscription isn’t active, it never receives any events.
eventParameters	EventParameterMap[]	An array of parameters that must be true for published events.
eventType	string	Required. The name of the platform event.
referenceData	string	Required. If the subscriber is a flow of type CustomEvent, referenceData is `flowName_versionNumber`. For example, `Printer_Management_2`.

EventParameterMap

An array of parameters that must be true for published events. For example, subscribe to Vendor Response events only if Status__c is Shipped.

Each event subscription can have up to 10 parameters.

Field Name	Field Type	Description
parameterName	string	Required. The published event’s field name.
parameterValue	string	The value that must be true.

Declarative Metadata Sample Definition

The following is an example of an active event subscription.

1<?xml version="1.0" encoding="UTF-8"?>
2<EventSubscription xmlns="http://soap.sforce.com/2006/04/metadata">
3    <active>true</active>
4    <eventType>Printer_Status__e</eventType>
5    <referenceData>Printer_Management</referenceData>
6</EventSubscription>

The following is an example of an inactive event subscription that sets event parameters.

1<?xml version="1.0" encoding="UTF-8"?>
2<EventSubscription xmlns="http://soap.sforce.com/2006/04/metadata">
3   <name>MySubscription</name>
4   <active>false</active>
5   <eventParameters>
6      <parameterName>Ink_Status__c</parameterName>
7      <parameterValue>low</parameterValue> 
8   </eventParameters>
9   <eventParameters>
10      <parameterName>Serial_Number__c</parameterName>
11      <parameterValue>00123456789</parameterValue>
12   </eventParameters>
13   <eventType>Printer_Status__e</eventType>
14   <referenceData>My_Event_Based_Process_1</referenceData>
15</EventSubscription>

The following is an example package.xml that deploys or retrieves all the available event subscription metadata in your org.

1<?xml version="1.0" encoding="UTF-8"?>
2<Package xmlns="http://soap.sforce.com/2006/04/metadata">
3   <types>
4      <members>EventSubscription</members>
5      <name>*</name>
6   </types>

Metadata API Developer Guide