Need help to enter item into SPOKE System Via OIC FBDI Approach

Context:

We are implementing a solution in Oracle Integration Cloud (OIC) to automate item creation in Oracle Fusion Applications using the FBDI approach.

Current Process Flow:

1. We create a new item in Fusion via OIC using the FBDI template and the Item Import process.
2. After successful item creation, we need the item to be automatically added to a Spoke System (such as a different BU or external system).
3. Initially, we considered leveraging the Item Relationships tab to push the item into the Spoke System, but that approach did not fulfill our requirement.

New Approach (Under Implementation):

To address the Spoke System integration, we're now following this updated method: