Is it possible to change/update the CPA number once it's created through FBDI or Rest API?

Summary:

We would like to update the CPA number once it's created/approved in the system either via FBDI or Rest API. We want to change the document number so that it will be the same with our 3rd party application. This is causing confusion during requisitions creations since the number in Oracle is different from the actual contract number that is defined in our other application. Thanks!

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