A Business identifier in Oracle Integration helps you to track the messages from the monitoring dashboard quickly and easily.
Without enabling the Business identifiers, you can not activate the integrations.
Max 3 business identifiers can be assigned during the design time. One is primary and the other two are secondary.
To understand how to enable Business Identifiers and how to use them to track the runtime integration, see the complete video by clicking on the below link
Subscribe to my YouTube channel to get regular updates.