How to Update an Invoice as Paid with Check Number Assigned to it from a Source System

Summary:

We process claims payments out of a claims system. This 3rd party system assigns a check # to that claim payment and prints the checks. We'd like to import the claims payments into Oracle Fusion to track all of our payments in Oracle and also use Oracle to reconcile those payments. Is it possible to import these claims payments as Payment Requests, and then once created update the invoice to paid but with the check # that was assigned to it out of the source system. We do not need to print these checks out of Oracle but would just