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## Overview of the Oracle Workflow Business Event System

The Oracle Workflow Business Event System leverages the Oracle Advanced Queuing infrastructure to communicate business events between systems. When a significant business event occurs in an internet or intranet application on a system, it triggers event subscriptions that specify the processing to execute for that event.

Subscriptions can include the following types of processing:

- Executing custom code on the event information

- Sending event information to a workflow process

- Sending event information to named communication points called agents on the local system or external systems

The event information communicated by the Business Event System is called an event message. The event message includes header properties to identify the event as well as event data describing what occurred.

You define events, systems, agents, and subscriptions in the Event Manager. You can also define event activities in the Workflow Builder to include business events in your workflow processes.

### See Also

Business Event System Datatypes

Event APIs

Event Subscription Rule Function APIs

Event Function APIs

Business Event System Replication APIs

Managing Business Events

Event Activities

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