Use an opportunity's GUID.
The related account's GUID.
Name of the opportunity (Primary).
Probability the opportunity will close successfully.
The related contact's GUID.
Description of up to 4,000 characters.
Estimated date and time the deal will be closed by.
Estimated total value of the deal.
The GUID of the system user who created the record, can also be set manually. Will be used for permissions.
Status (Picklist)
200