BPEL Designer and Service Engine User's Guide

Correlations

Correlation sets on invoke activities, which deal with outbound operations, are used to validate that outgoing messages contain data which is consistent with the data contained within specified correlation set instances. The Correlations tab of the Invoke Property Editor allows you to examine or specify a correlation set.

Image shows the Correlations tab of the Invoke
Properties Editor

The Correlation properties are:

For more information see Understanding Correlation. Using the Correlation Wizard.