Perform the following steps to provide identifiers for tracking during runtime:
In the 'EBS OIT Demo" Integration page, click Tracking.
The Business Identifiers For Tracking dialog appears.
From the Available Source Fields section, expand the RA_INTERFACE_LINES_ALL_Input node and then the RESTHeader node.
Drag and drop the Org_Id element to the Tracking Field column in the table as the primary Tracking field.
Save your work and then click Close.