Change Data Capture Developer Guide

Change Data Capture
Keep Your External Data Current with Change Data Capture
Subscribe to Change Events
Subscription Channels
Subscribe with the EMP Connector Sample
High-Level Replication Steps
Change Event Message Structure
Security Considerations
Change Event Considerations
Standard Object Notes
Sending Data Differences for Fields of Updated Records
Other Types of Change Events: Gap and Overflow Events
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Subscription Channels

Use the subscription channel that corresponds to the change notifications you want to receive. The channel name is case-sensitive.
All Change Events
1/data/ChangeEvents
A Standard Object
1/data/<Standard_Object_Name>ChangeEvent
For example, the channel to subscribe to change events for Account records is:
1/data/AccountChangeEvent
A Custom Object
1/data/<Custom_Object_Name>__ChangeEvent
For example, the channel to subscribe to change events for Employee__c custom object records is:
1/data/Employee__ChangeEvent