Hello! I’ve tried all sorts of combinations to achieve this.
Summary: under certain conditions, run Business Event / Import Scenario to update Opportunity from Open to Close as Won and set the Reason code to a specific value.
I am able to get the status updated to Won. Also, when looking at the CRM tab, it appears that the Reason has been set. However, it is blank in the GI results and in the DAC.
The Reason is available when updating to Close as Won manually.
I’ve tried both of these options:

RESULTS:

