Guidance Required for Lease Accounting Invoice Generation Approach

Summary:

We are implementing a custom Lease Accounting extension to support a client requirement that is not covered by the standard process. The standard Lease Accounting process generates one invoice per lease contract; however, the client requires the ability to group multiple lease contracts and generate a single invoice.

Based on our testing, we observed that once the Process Lease Payments process completes, the Import Payables Invoices process is automatically triggered.

Could you please advise on the recommended end-to-end approach for implementing this requirement? Specifically, we would like to understand whether it is feasible to use the standard REST APIs to: